87=(x+52)+(x-4)+x

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Solution for 87=(x+52)+(x-4)+x equation: 


Simplifying
87 = (x + 52) + (x + -4) + x

Reorder the terms:
87 = (52 + x) + (x + -4) + x

Remove parenthesis around (52 + x)
87 = 52 + x + (x + -4) + x

Reorder the terms:
87 = 52 + x + (-4 + x) + x

Remove parenthesis around (-4 + x)
87 = 52 + x + -4 + x + x

Reorder the terms:
87 = 52 + -4 + x + x + x

Combine like terms: 52 + -4 = 48
87 = 48 + x + x + x

Combine like terms: x + x = 2x
87 = 48 + 2x + x

Combine like terms: 2x + x = 3x
87 = 48 + 3x

Solving
87 = 48 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
87 + -3x = 48 + 3x + -3x

Combine like terms: 3x + -3x = 0
87 + -3x = 48 + 0
87 + -3x = 48

Add '-87' to each side of the equation.
87 + -87 + -3x = 48 + -87

Combine like terms: 87 + -87 = 0
0 + -3x = 48 + -87
-3x = 48 + -87

Combine like terms: 48 + -87 = -39
-3x = -39

Divide each side by '-3'.
x = 13

Simplifying
x = 13

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