12*12+9*9=x

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


Simplifying
12 * 12 + 9 * 9 = x

Multiply 12 * 12
144 + 9 * 9 = x

Multiply 9 * 9
144 + 81 = x

Combine like terms: 144 + 81 = 225
225 = x

Solving
225 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
225 + -1x = x + -1x

Combine like terms: x + -1x = 0
225 + -1x = 0

Add '-225' to each side of the equation.
225 + -225 + -1x = 0 + -225

Combine like terms: 225 + -225 = 0
0 + -1x = 0 + -225
-1x = 0 + -225

Combine like terms: 0 + -225 = -225
-1x = -225

Divide each side by '-1'.
x = 225

Simplifying
x = 225

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