7x-42=2x-7

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


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

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

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

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

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

Combine like terms: 2x + -2x = 0
-42 + 5x = -7 + 0
-42 + 5x = -7

Add '42' to each side of the equation.
-42 + 42 + 5x = -7 + 42

Combine like terms: -42 + 42 = 0
0 + 5x = -7 + 42
5x = -7 + 42

Combine like terms: -7 + 42 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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