10x-87=x+84

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Solution for 10x-87=x+84 equation:


Simplifying
10x + -87 = x + 84

Reorder the terms:
-87 + 10x = x + 84

Reorder the terms:
-87 + 10x = 84 + x

Solving
-87 + 10x = 84 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-87 + 10x + -1x = 84 + x + -1x

Combine like terms: 10x + -1x = 9x
-87 + 9x = 84 + x + -1x

Combine like terms: x + -1x = 0
-87 + 9x = 84 + 0
-87 + 9x = 84

Add '87' to each side of the equation.
-87 + 87 + 9x = 84 + 87

Combine like terms: -87 + 87 = 0
0 + 9x = 84 + 87
9x = 84 + 87

Combine like terms: 84 + 87 = 171
9x = 171

Divide each side by '9'.
x = 19

Simplifying
x = 19

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