-87+4x+5x=57

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Solution for -87+4x+5x=57 equation: 


Simplifying
-87 + 4x + 5x = 57

Combine like terms: 4x + 5x = 9x
-87 + 9x = 57

Solving
-87 + 9x = 57

Solving for variable 'x'.

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

Add '87' to each side of the equation.
-87 + 87 + 9x = 57 + 87

Combine like terms: -87 + 87 = 0
0 + 9x = 57 + 87
9x = 57 + 87

Combine like terms: 57 + 87 = 144
9x = 144

Divide each side by '9'.
x = 16

Simplifying
x = 16

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