12(x-12)=9(1+7x)

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Solution for 12(x-12)=9(1+7x) equation:


Simplifying
12(x + -12) = 9(1 + 7x)

Reorder the terms:
12(-12 + x) = 9(1 + 7x)
(-12 * 12 + x * 12) = 9(1 + 7x)
(-144 + 12x) = 9(1 + 7x)
-144 + 12x = (1 * 9 + 7x * 9)
-144 + 12x = (9 + 63x)

Solving
-144 + 12x = 9 + 63x

Solving for variable 'x'.

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

Add '-63x' to each side of the equation.
-144 + 12x + -63x = 9 + 63x + -63x

Combine like terms: 12x + -63x = -51x
-144 + -51x = 9 + 63x + -63x

Combine like terms: 63x + -63x = 0
-144 + -51x = 9 + 0
-144 + -51x = 9

Add '144' to each side of the equation.
-144 + 144 + -51x = 9 + 144

Combine like terms: -144 + 144 = 0
0 + -51x = 9 + 144
-51x = 9 + 144

Combine like terms: 9 + 144 = 153
-51x = 153

Divide each side by '-51'.
x = -3

Simplifying
x = -3

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