7x-4x-57=-87

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Solution for 7x-4x-57=-87 equation:


Simplifying
7x + -4x + -57 = -87

Reorder the terms:
-57 + 7x + -4x = -87

Combine like terms: 7x + -4x = 3x
-57 + 3x = -87

Solving
-57 + 3x = -87

Solving for variable 'x'.

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

Add '57' to each side of the equation.
-57 + 57 + 3x = -87 + 57

Combine like terms: -57 + 57 = 0
0 + 3x = -87 + 57
3x = -87 + 57

Combine like terms: -87 + 57 = -30
3x = -30

Divide each side by '3'.
x = -10

Simplifying
x = -10

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