9(x+8)-(7-7x)=15x

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Solution for 9(x+8)-(7-7x)=15x equation:


Simplifying
9(x + 8) + -1(7 + -7x) = 15x

Reorder the terms:
9(8 + x) + -1(7 + -7x) = 15x
(8 * 9 + x * 9) + -1(7 + -7x) = 15x
(72 + 9x) + -1(7 + -7x) = 15x
72 + 9x + (7 * -1 + -7x * -1) = 15x
72 + 9x + (-7 + 7x) = 15x

Reorder the terms:
72 + -7 + 9x + 7x = 15x

Combine like terms: 72 + -7 = 65
65 + 9x + 7x = 15x

Combine like terms: 9x + 7x = 16x
65 + 16x = 15x

Solving
65 + 16x = 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
65 + 16x + -15x = 15x + -15x

Combine like terms: 16x + -15x = 1x
65 + 1x = 15x + -15x

Combine like terms: 15x + -15x = 0
65 + 1x = 0

Add '-65' to each side of the equation.
65 + -65 + 1x = 0 + -65

Combine like terms: 65 + -65 = 0
0 + 1x = 0 + -65
1x = 0 + -65

Combine like terms: 0 + -65 = -65
1x = -65

Divide each side by '1'.
x = -65

Simplifying
x = -65

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