3x-84=116-7x

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Solution for 3x-84=116-7x equation:


Simplifying
3x + -84 = 116 + -7x

Reorder the terms:
-84 + 3x = 116 + -7x

Solving
-84 + 3x = 116 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-84 + 3x + 7x = 116 + -7x + 7x

Combine like terms: 3x + 7x = 10x
-84 + 10x = 116 + -7x + 7x

Combine like terms: -7x + 7x = 0
-84 + 10x = 116 + 0
-84 + 10x = 116

Add '84' to each side of the equation.
-84 + 84 + 10x = 116 + 84

Combine like terms: -84 + 84 = 0
0 + 10x = 116 + 84
10x = 116 + 84

Combine like terms: 116 + 84 = 200
10x = 200

Divide each side by '10'.
x = 20

Simplifying
x = 20

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