1) 2x-3y = 9 5x+3y=12 Ау

Q: 5y+3=2(4y+12)

A:

Q: 10-(4-y)

A: Here the equation is 10-(4-y) We need to calculate it. First multiplying with negative in 4-y the…

Q: 12. x2 + 11x – 42% D 13. 6x2-54x - 78 =

A: Topic:- algebra

Q: 3) 3x3-x2+18X-6 (3x-x3)+ (1BX-)

A: From first two terms factor out x^2 From last two terms factor out 6

Q: 10. b²+b-30 3b²+18b

A: Since you've asked multiple questions, we will solve the first question for you. If you want any…

Q: Зx2 — 2х + 2

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Q: (2 (aど-4-) -4x

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Q: 2. у %3D 2 - 2х 4 2- -4 -2 2. 4 4.

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Q: iGO 2. -/3 2/3 1/2

A:

Q: 8(a+9) =

A: Given,           8(a + 9)

Q: 7b + 8b^2​2​​ + 3 + y + 2b + 2y + 2 =

A: To simplify : 7b + 8b^2​2​​ + 3 + y + 2b + 2y + 2 =

Q: 3/8x+4=6-5/8x

A:

Q: 5. (15x3 + 33x² + 6x = 0 %3|

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Q: Solve, 9 7 0 3 0 5 - 9 1 3 -8 5 3 -7 5 7 6 2 6 4 0 1 -1 9

A: We have to solve    753-7862  6101-19×-8 9 7   5 0 3   4 0 5-9 1 3.

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

A:

Q: 6)-15x+9y%= 27 -5x- y= 17

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Q: 3) y=x²- 6x +7 4. y= - 4x + 22

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Q: 2(3q-9)=9-3q

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Q: 3. y=-3x + 2 y = 2x - 3 454-8 2 1 21

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Q: 15) 2x2- 7x +5

A: See the attachment

Q: 2z2_2z+3=0

A:

Q: 1/2x-1=1-8x-6/10x-

A: Explanation: Given the rational equation is: 12x-1=1-8x-610x-5 Firstly we will multiply (2x-1) both…

Q: Simplify: 5 6 z- 2 2 - 4 31 z -4 5z - 4 4 5z + 8 2-4 5z + 16 1 -4

A: Solving the problem by doing simplify the problem.

Q: 2х +3 Зх +4 5х -30 х- 6

A: Simplify

Q: Which equation has exactly one solution? CLEAR 6x +5-3x = -3x +5+6x 6x + 5 - 3x = 3x +5-3z 6x +10…

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Q: -3p-3/4 - 30p-7/4

A: We have to find the value of p as nothing else is mentioned in the question

Q: 12. 3x-2y = 18 5x+10y = -10

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Q: FCx)= 5x²_ 5x²- 8x+5; f(-4) 3

A: Given: ----------------------------------------------------- To determine: F(-4)

Q: 2x2 +1 x3 - 3x +2

A: We have to evaluate the following integral: ∫2x2+1x3-3x+2dx

Q: Simplify  2(8y-2-(2y+5)= 7-8[9-(5y-8)]

A: Given problems:- 28y-2-2y+5 7-89-5y-8

Q: Simplify 3/z+5/x/6/z-9/x

A: To collect like terms and simplify the result

Q: 5x2 3x1 + 2x2 i. b₁ = 1, b₂ = 4 ii. b₁ = −2, b₂ = 5 -. x1 = b₁ b2

A:

Q: 8) -3x - 10y = -4 X- 5y= 18

A: Given: System of equations:-3x-10y=-4     . . .(1)x-5y=18     . . .(2)

Q: 5. x2-10 = 9x 7. x2 3x + 16 = 7x -

A: The objective of the first question is to solve the quadratic equation x^2 - 10 = 9x for x. We can…

Q: 7/5b=2/b-6

A: Solve the following

Q: 3x2- 5 2x2- 3x-2 1. 3x-1 Зх— 1

A:

Q: 2 7t 3/2 dt

A: we will use substitution