4x-9=-57

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Solution for 4x-9=-57 equation: 


Simplifying
4x + -9 = -57

Reorder the terms:
-9 + 4x = -57

Solving
-9 + 4x = -57

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 4x = -57 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = -57 + 9
4x = -57 + 9

Combine like terms: -57 + 9 = -48
4x = -48

Divide each side by '4'.
x = -12

Simplifying
x = -12

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