5x+42=7x

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Solution for 5x+42=7x equation:


Simplifying
5x + 42 = 7x

Reorder the terms:
42 + 5x = 7x

Solving
42 + 5x = 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.
42 + 5x + -7x = 7x + -7x

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

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

Add '-42' to each side of the equation.
42 + -42 + -2x = 0 + -42

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

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

Divide each side by '-2'.
x = 21

Simplifying
x = 21

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