7x+55=2x+115

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Solution for 7x+55=2x+115 equation:


Simplifying
7x + 55 = 2x + 115

Reorder the terms:
55 + 7x = 2x + 115

Reorder the terms:
55 + 7x = 115 + 2x

Solving
55 + 7x = 115 + 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.
55 + 7x + -2x = 115 + 2x + -2x

Combine like terms: 7x + -2x = 5x
55 + 5x = 115 + 2x + -2x

Combine like terms: 2x + -2x = 0
55 + 5x = 115 + 0
55 + 5x = 115

Add '-55' to each side of the equation.
55 + -55 + 5x = 115 + -55

Combine like terms: 55 + -55 = 0
0 + 5x = 115 + -55
5x = 115 + -55

Combine like terms: 115 + -55 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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