-81+9x=88-4x

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Solution for -81+9x=88-4x equation:


Simplifying
-81 + 9x = 88 + -4x

Solving
-81 + 9x = 88 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-81 + 9x + 4x = 88 + -4x + 4x

Combine like terms: 9x + 4x = 13x
-81 + 13x = 88 + -4x + 4x

Combine like terms: -4x + 4x = 0
-81 + 13x = 88 + 0
-81 + 13x = 88

Add '81' to each side of the equation.
-81 + 81 + 13x = 88 + 81

Combine like terms: -81 + 81 = 0
0 + 13x = 88 + 81
13x = 88 + 81

Combine like terms: 88 + 81 = 169
13x = 169

Divide each side by '13'.
x = 13

Simplifying
x = 13

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