7x-12=100-7x

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Solution for 7x-12=100-7x equation:


Simplifying
7x + -12 = 100 + -7x

Reorder the terms:
-12 + 7x = 100 + -7x

Solving
-12 + 7x = 100 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-12 + 7x + 7x = 100 + -7x + 7x

Combine like terms: 7x + 7x = 14x
-12 + 14x = 100 + -7x + 7x

Combine like terms: -7x + 7x = 0
-12 + 14x = 100 + 0
-12 + 14x = 100

Add '12' to each side of the equation.
-12 + 12 + 14x = 100 + 12

Combine like terms: -12 + 12 = 0
0 + 14x = 100 + 12
14x = 100 + 12

Combine like terms: 100 + 12 = 112
14x = 112

Divide each side by '14'.
x = 8

Simplifying
x = 8

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