10x-84=5x-9

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Solution for 10x-84=5x-9 equation:


Simplifying
10x + -84 = 5x + -9

Reorder the terms:
-84 + 10x = 5x + -9

Reorder the terms:
-84 + 10x = -9 + 5x

Solving
-84 + 10x = -9 + 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.
-84 + 10x + -5x = -9 + 5x + -5x

Combine like terms: 10x + -5x = 5x
-84 + 5x = -9 + 5x + -5x

Combine like terms: 5x + -5x = 0
-84 + 5x = -9 + 0
-84 + 5x = -9

Add '84' to each side of the equation.
-84 + 84 + 5x = -9 + 84

Combine like terms: -84 + 84 = 0
0 + 5x = -9 + 84
5x = -9 + 84

Combine like terms: -9 + 84 = 75
5x = 75

Divide each side by '5'.
x = 15

Simplifying
x = 15

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