7x-42=28-3x

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Solution for 7x-42=28-3x equation:


Simplifying
7x + -42 = 28 + -3x

Reorder the terms:
-42 + 7x = 28 + -3x

Solving
-42 + 7x = 28 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-42 + 7x + 3x = 28 + -3x + 3x

Combine like terms: 7x + 3x = 10x
-42 + 10x = 28 + -3x + 3x

Combine like terms: -3x + 3x = 0
-42 + 10x = 28 + 0
-42 + 10x = 28

Add '42' to each side of the equation.
-42 + 42 + 10x = 28 + 42

Combine like terms: -42 + 42 = 0
0 + 10x = 28 + 42
10x = 28 + 42

Combine like terms: 28 + 42 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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