5x-30+2x=80

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Solution for 5x-30+2x=80 equation:


Simplifying
5x + -30 + 2x = 80

Reorder the terms:
-30 + 5x + 2x = 80

Combine like terms: 5x + 2x = 7x
-30 + 7x = 80

Solving
-30 + 7x = 80

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 7x = 80 + 30

Combine like terms: -30 + 30 = 0
0 + 7x = 80 + 30
7x = 80 + 30

Combine like terms: 80 + 30 = 110
7x = 110

Divide each side by '7'.
x = 15.71428571

Simplifying
x = 15.71428571

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