87-4x=77-5x

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Solution for 87-4x=77-5x equation:


Simplifying
87 + -4x = 77 + -5x

Solving
87 + -4x = 77 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
87 + -4x + 5x = 77 + -5x + 5x

Combine like terms: -4x + 5x = 1x
87 + 1x = 77 + -5x + 5x

Combine like terms: -5x + 5x = 0
87 + 1x = 77 + 0
87 + 1x = 77

Add '-87' to each side of the equation.
87 + -87 + 1x = 77 + -87

Combine like terms: 87 + -87 = 0
0 + 1x = 77 + -87
1x = 77 + -87

Combine like terms: 77 + -87 = -10
1x = -10

Divide each side by '1'.
x = -10

Simplifying
x = -10

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