5x-69=78-2x

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Solution for 5x-69=78-2x equation:


Simplifying
5x + -69 = 78 + -2x

Reorder the terms:
-69 + 5x = 78 + -2x

Solving
-69 + 5x = 78 + -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.
-69 + 5x + 2x = 78 + -2x + 2x

Combine like terms: 5x + 2x = 7x
-69 + 7x = 78 + -2x + 2x

Combine like terms: -2x + 2x = 0
-69 + 7x = 78 + 0
-69 + 7x = 78

Add '69' to each side of the equation.
-69 + 69 + 7x = 78 + 69

Combine like terms: -69 + 69 = 0
0 + 7x = 78 + 69
7x = 78 + 69

Combine like terms: 78 + 69 = 147
7x = 147

Divide each side by '7'.
x = 21

Simplifying
x = 21

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