12-(6x+7)=9-5x

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Solution for 12-(6x+7)=9-5x equation:


Simplifying
12 + -1(6x + 7) = 9 + -5x

Reorder the terms:
12 + -1(7 + 6x) = 9 + -5x
12 + (7 * -1 + 6x * -1) = 9 + -5x
12 + (-7 + -6x) = 9 + -5x

Combine like terms: 12 + -7 = 5
5 + -6x = 9 + -5x

Solving
5 + -6x = 9 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
5 + -6x + 5x = 9 + -5x + 5x

Combine like terms: -6x + 5x = -1x
5 + -1x = 9 + -5x + 5x

Combine like terms: -5x + 5x = 0
5 + -1x = 9 + 0
5 + -1x = 9

Add '-5' to each side of the equation.
5 + -5 + -1x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 9 + -5
-1x = 9 + -5

Combine like terms: 9 + -5 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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