87-4=2x+15

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Solution for 87-4=2x+15 equation:


Simplifying
87 + -4 = 2x + 15

Combine like terms: 87 + -4 = 83
83 = 2x + 15

Reorder the terms:
83 = 15 + 2x

Solving
83 = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
83 + -2x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
83 + -2x = 15 + 0
83 + -2x = 15

Add '-83' to each side of the equation.
83 + -83 + -2x = 15 + -83

Combine like terms: 83 + -83 = 0
0 + -2x = 15 + -83
-2x = 15 + -83

Combine like terms: 15 + -83 = -68
-2x = -68

Divide each side by '-2'.
x = 34

Simplifying
x = 34

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