2x-42-7x=84

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


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

Reorder the terms:
-42 + 2x + -7x = 84

Combine like terms: 2x + -7x = -5x
-42 + -5x = 84

Solving
-42 + -5x = 84

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + -5x = 84 + 42

Combine like terms: -42 + 42 = 0
0 + -5x = 84 + 42
-5x = 84 + 42

Combine like terms: 84 + 42 = 126
-5x = 126

Divide each side by '-5'.
x = -25.2

Simplifying
x = -25.2

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