7x-18=5x+84

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Solution for 7x-18=5x+84 equation:


Simplifying
7x + -18 = 5x + 84

Reorder the terms:
-18 + 7x = 5x + 84

Reorder the terms:
-18 + 7x = 84 + 5x

Solving
-18 + 7x = 84 + 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.
-18 + 7x + -5x = 84 + 5x + -5x

Combine like terms: 7x + -5x = 2x
-18 + 2x = 84 + 5x + -5x

Combine like terms: 5x + -5x = 0
-18 + 2x = 84 + 0
-18 + 2x = 84

Add '18' to each side of the equation.
-18 + 18 + 2x = 84 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 84 + 18
2x = 84 + 18

Combine like terms: 84 + 18 = 102
2x = 102

Divide each side by '2'.
x = 51

Simplifying
x = 51

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