1a) Solve for x and y  x-y=20   2x +3Y=40 Substitution Method 1b) Solve for x and y   x=y   4x +3y =90 Substitution Method 1c) Solve for t and r use elimination method  3r + 3t =9    r + t =9 1d) Solve question 1 using elimination method

Q: Solve 9x-7y=10for y. (Use interferes or fractions for any…

A: Solve 9x-7y=10for y. (Use interferes or fractions for any numbers in the expression).For calculating…

Q: solve for x  4)2)2x-3=60

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Q: Solve: 2x + y + z + x + 2y + Z + X + y + 2z+ y + y+z+ X + x + W= W = 4 W : 5 W 6 W = 7 u + 2w = 8 u…

A: here we have to find the value of 'w'.

Q: Solve for x and y.

A: Two matrix is subtracted.  Lets take left hand side  xy-yx-yxx-ysubract the corresponding elements…

Q: Solve these equations 2x + 3y=10 and 3x-5y=7 Find x and y

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Q: X = y + % y = 0.000396707 – 0.24576 x2 22 = 0.00029753 - 0.12288 x²

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Q: K 4y + 21 L x+ 87 6y + 9 2x + 103 M

A: First I have written a theorem , just use that theorem and easily find the required solution. x=0,…

Q: 7) Solve for x: 5x - 2x+7= 0 %3D

A: Solving by quadratic formula we can get

Q: 4) Solve for x: 3x-24 16 - 3x-12 12 = 3

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Q: 11) Solve by Substitution a. b. -4x – 2y =-1 y=-2x – 4 x+3y=-17 -8x + 8y =-24

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Q: Find all solutions of:2x + 2y + 4z = 8x - y + 2z = 2-x + 5y - 2z + 2

A: First we describe the given equations as a matrix. And then we use Linear algebra to solve the given…

Q: (ex-y+2=-/ -32=79 dy+52=25

A: We are asked to solve the system of equations

Q: 28) Solve the equation for x: Vx + 5 = v2x - 5

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Q: Solve for w -3(3w-3)+5w=7+2(4w-8)

A: The given equation is

Q: 2) Solve for x and y. 45° 13V2

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Q: 2) Find the value of each variable. 2x+11 6x-9 a) x = b) x = y%3, W 52 (6y-2) (4x+20)*

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Q: 5) Solve for x. (7x- 20) (4x + 16)°

A: Given angles are pair of alternate exterior angles. Therefore, They are equal.

Q: Practice: Find the measure of each missing angle (diagrams not drawn to scale). y 45 y = 55 55 A B

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Q: b. Solve y = -x³ + x² + x- 3 and y = x-3 using Substitution Method. I

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Q: Solve. 2x -8 7 11 -9 -3 -³ ([²7] [²₂²])-[-15 72²] 6 1 -Y 12 3

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Q: Solve 6(x + 8) + 4 = – 5(x +5) for a

A: To solve 6x+8+4=-5x+5