x+9+12x+7=159

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Solution for x+9+12x+7=159 equation:


Simplifying
x + 9 + 12x + 7 = 159

Reorder the terms:
9 + 7 + x + 12x = 159

Combine like terms: 9 + 7 = 16
16 + x + 12x = 159

Combine like terms: x + 12x = 13x
16 + 13x = 159

Solving
16 + 13x = 159

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 13x = 159 + -16

Combine like terms: 16 + -16 = 0
0 + 13x = 159 + -16
13x = 159 + -16

Combine like terms: 159 + -16 = 143
13x = 143

Divide each side by '13'.
x = 11

Simplifying
x = 11

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