The expression 2x + (x-7) is equivalent to I² + bx + 49 for all values of z. What is the value of b? Enter your answer in the space provided. % =

Q: 7x+8=-20

A:

Q: -10>x-2>-12

A: given equation

Q: 2X+4=8X

A: Given,    2X+4=8X   Subtracting both side 2X ;   2X+4-2X=8X-2X   4 = 6X

Q: 4x3=?

A: 4×3=?

Q: 1x1=?

A: apply multiplication

Q: - 1/2x - 3 = - 9

A: SOLUTION-

Q: 4x + 5 = -7

A: To solve the equation: 4x + 5 = -7

Q: 3x+2=5

A:

Q: x + 5x-80 = 4

A:

Q: 4x + 5=9 + 4x

A:

Q: 3x-(4+5x)=12

A: We will find the value of x.

Q: X2 - x -  6 = -6

A: To solve:x2-x-6=-6

Q: 2x-1=-7

A:

Q: Solve the equation -7x-17 = -38 for x. • Write your answer as a number only. • Round your answer to…

A:

Q: (-8, -5);m=-3/4

A:

Q: Find the value of above combination

A:

Q: a plus 7

A: The mathematical expression of the given statement is a+7.

Q: 3x + 5 = -5x + 3 ×=

A:

Q: How do you Graph the line through (3,1) with slope 2/3

A: To graph the line through (3,1) with slope 2/3.

Q: 10=2x+30

A: -10 would be correct answar.

Q: x2+16x=?

A: factorization of quadratic

Q: 2x+3=-8+3x

A: Solve for x

Q: X-12=2

A: solve for x

Q: 3x-2=7

A: Any linear equation in one variable can be solved by taking all the terms other than those…

Q: 2x+8=-6

A:

Q: 12x-7= -1

A: First write given equation, 12x - 7 = -1 12x = -1 + 7 12x= 6 x = 612 x = 12 x = 0.5

Q: 3x+9=5

A: solve for x.