84+7x=100+5x

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Solution for 84+7x=100+5x equation:


Simplifying
84 + 7x = 100 + 5x

Solving
84 + 7x = 100 + 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 + 7x + -5x = 100 + 5x + -5x

Combine like terms: 7x + -5x = 2x
84 + 2x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
84 + 2x = 100 + 0
84 + 2x = 100

Add '-84' to each side of the equation.
84 + -84 + 2x = 100 + -84

Combine like terms: 84 + -84 = 0
0 + 2x = 100 + -84
2x = 100 + -84

Combine like terms: 100 + -84 = 16
2x = 16

Divide each side by '2'.
x = 8

Simplifying
x = 8

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