-5-7=8x+9-7x

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Solution for -5-7=8x+9-7x equation:


Simplifying
-5 + -7 = 8x + 9 + -7x

Combine like terms: -5 + -7 = -12
-12 = 8x + 9 + -7x

Reorder the terms:
-12 = 9 + 8x + -7x

Combine like terms: 8x + -7x = 1x
-12 = 9 + 1x

Solving
-12 = 9 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-12 + -1x = 9 + 1x + -1x

Combine like terms: 1x + -1x = 0
-12 + -1x = 9 + 0
-12 + -1x = 9

Add '12' to each side of the equation.
-12 + 12 + -1x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -1x = 9 + 12
-1x = 9 + 12

Combine like terms: 9 + 12 = 21
-1x = 21

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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