-54=9(9-x)

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Solution for -54=9(9-x) equation:


Simplifying
-54 = 9(9 + -1x)
-54 = (9 * 9 + -1x * 9)
-54 = (81 + -9x)

Solving
-54 = 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.
-54 + 9x = 81 + -9x + 9x

Combine like terms: -9x + 9x = 0
-54 + 9x = 81 + 0
-54 + 9x = 81

Add '54' to each side of the equation.
-54 + 54 + 9x = 81 + 54

Combine like terms: -54 + 54 = 0
0 + 9x = 81 + 54
9x = 81 + 54

Combine like terms: 81 + 54 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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