7(-x+-7)+8(x+8)=12

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Solution for 7(-x+-7)+8(x+8)=12 equation:


Simplifying
7(-1x + -7) + 8(x + 8) = 12

Reorder the terms:
7(-7 + -1x) + 8(x + 8) = 12
(-7 * 7 + -1x * 7) + 8(x + 8) = 12
(-49 + -7x) + 8(x + 8) = 12

Reorder the terms:
-49 + -7x + 8(8 + x) = 12
-49 + -7x + (8 * 8 + x * 8) = 12
-49 + -7x + (64 + 8x) = 12

Reorder the terms:
-49 + 64 + -7x + 8x = 12

Combine like terms: -49 + 64 = 15
15 + -7x + 8x = 12

Combine like terms: -7x + 8x = 1x
15 + 1x = 12

Solving
15 + 1x = 12

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 1x = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 12 + -15
1x = 12 + -15

Combine like terms: 12 + -15 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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