84x-70=82x-40

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Solution for 84x-70=82x-40 equation:


Simplifying
84x + -70 = 82x + -40

Reorder the terms:
-70 + 84x = 82x + -40

Reorder the terms:
-70 + 84x = -40 + 82x

Solving
-70 + 84x = -40 + 82x

Solving for variable 'x'.

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

Add '-82x' to each side of the equation.
-70 + 84x + -82x = -40 + 82x + -82x

Combine like terms: 84x + -82x = 2x
-70 + 2x = -40 + 82x + -82x

Combine like terms: 82x + -82x = 0
-70 + 2x = -40 + 0
-70 + 2x = -40

Add '70' to each side of the equation.
-70 + 70 + 2x = -40 + 70

Combine like terms: -70 + 70 = 0
0 + 2x = -40 + 70
2x = -40 + 70

Combine like terms: -40 + 70 = 30
2x = 30

Divide each side by '2'.
x = 15

Simplifying
x = 15

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