9(7+8)=x

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Solution for 9(7+8)=x equation:


Simplifying
9(7 + 8) = x

Combine like terms: 7 + 8 = 15
9(15) = x

Multiply 9 * 15
135 = x

Solving
135 = 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.
135 + -1x = x + -1x

Combine like terms: x + -1x = 0
135 + -1x = 0

Add '-135' to each side of the equation.
135 + -135 + -1x = 0 + -135

Combine like terms: 135 + -135 = 0
0 + -1x = 0 + -135
-1x = 0 + -135

Combine like terms: 0 + -135 = -135
-1x = -135

Divide each side by '-1'.
x = 135

Simplifying
x = 135

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