12x-161=4x-9

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Solution for 12x-161=4x-9 equation:


Simplifying
12x + -161 = 4x + -9

Reorder the terms:
-161 + 12x = 4x + -9

Reorder the terms:
-161 + 12x = -9 + 4x

Solving
-161 + 12x = -9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-161 + 12x + -4x = -9 + 4x + -4x

Combine like terms: 12x + -4x = 8x
-161 + 8x = -9 + 4x + -4x

Combine like terms: 4x + -4x = 0
-161 + 8x = -9 + 0
-161 + 8x = -9

Add '161' to each side of the equation.
-161 + 161 + 8x = -9 + 161

Combine like terms: -161 + 161 = 0
0 + 8x = -9 + 161
8x = -9 + 161

Combine like terms: -9 + 161 = 152
8x = 152

Divide each side by '8'.
x = 19

Simplifying
x = 19

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