12*12=9(x+9)

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Solution for 12*12=9(x+9) equation:


Simplifying
12 * 12 = 9(x + 9)

Multiply 12 * 12
144 = 9(x + 9)

Reorder the terms:
144 = 9(9 + x)
144 = (9 * 9 + x * 9)
144 = (81 + 9x)

Solving
144 = 81 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
144 + -9x = 81 + 9x + -9x

Combine like terms: 9x + -9x = 0
144 + -9x = 81 + 0
144 + -9x = 81

Add '-144' to each side of the equation.
144 + -144 + -9x = 81 + -144

Combine like terms: 144 + -144 = 0
0 + -9x = 81 + -144
-9x = 81 + -144

Combine like terms: 81 + -144 = -63
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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