12x-169=3x-7

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Solution for 12x-169=3x-7 equation:


Simplifying
12x + -169 = 3x + -7

Reorder the terms:
-169 + 12x = 3x + -7

Reorder the terms:
-169 + 12x = -7 + 3x

Solving
-169 + 12x = -7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-169 + 12x + -3x = -7 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-169 + 9x = -7 + 3x + -3x

Combine like terms: 3x + -3x = 0
-169 + 9x = -7 + 0
-169 + 9x = -7

Add '169' to each side of the equation.
-169 + 169 + 9x = -7 + 169

Combine like terms: -169 + 169 = 0
0 + 9x = -7 + 169
9x = -7 + 169

Combine like terms: -7 + 169 = 162
9x = 162

Divide each side by '9'.
x = 18

Simplifying
x = 18

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