5x-87=123-9x

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Solution for 5x-87=123-9x equation:


Simplifying
5x + -87 = 123 + -9x

Reorder the terms:
-87 + 5x = 123 + -9x

Solving
-87 + 5x = 123 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-87 + 5x + 9x = 123 + -9x + 9x

Combine like terms: 5x + 9x = 14x
-87 + 14x = 123 + -9x + 9x

Combine like terms: -9x + 9x = 0
-87 + 14x = 123 + 0
-87 + 14x = 123

Add '87' to each side of the equation.
-87 + 87 + 14x = 123 + 87

Combine like terms: -87 + 87 = 0
0 + 14x = 123 + 87
14x = 123 + 87

Combine like terms: 123 + 87 = 210
14x = 210

Divide each side by '14'.
x = 15

Simplifying
x = 15

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