7x+42=6x+20

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Solution for 7x+42=6x+20 equation:


Simplifying
7x + 42 = 6x + 20

Reorder the terms:
42 + 7x = 6x + 20

Reorder the terms:
42 + 7x = 20 + 6x

Solving
42 + 7x = 20 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
42 + 7x + -6x = 20 + 6x + -6x

Combine like terms: 7x + -6x = 1x
42 + 1x = 20 + 6x + -6x

Combine like terms: 6x + -6x = 0
42 + 1x = 20 + 0
42 + 1x = 20

Add '-42' to each side of the equation.
42 + -42 + 1x = 20 + -42

Combine like terms: 42 + -42 = 0
0 + 1x = 20 + -42
1x = 20 + -42

Combine like terms: 20 + -42 = -22
1x = -22

Divide each side by '1'.
x = -22

Simplifying
x = -22

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