-42+7x=84-2x

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Solution for -42+7x=84-2x equation:


Simplifying
-42 + 7x = 84 + -2x

Solving
-42 + 7x = 84 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-42 + 7x + 2x = 84 + -2x + 2x

Combine like terms: 7x + 2x = 9x
-42 + 9x = 84 + -2x + 2x

Combine like terms: -2x + 2x = 0
-42 + 9x = 84 + 0
-42 + 9x = 84

Add '42' to each side of the equation.
-42 + 42 + 9x = 84 + 42

Combine like terms: -42 + 42 = 0
0 + 9x = 84 + 42
9x = 84 + 42

Combine like terms: 84 + 42 = 126
9x = 126

Divide each side by '9'.
x = 14

Simplifying
x = 14

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