2x+115=7x+15

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Solution for 2x+115=7x+15 equation:


Simplifying
2x + 115 = 7x + 15

Reorder the terms:
115 + 2x = 7x + 15

Reorder the terms:
115 + 2x = 15 + 7x

Solving
115 + 2x = 15 + 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.
115 + 2x + -7x = 15 + 7x + -7x

Combine like terms: 2x + -7x = -5x
115 + -5x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
115 + -5x = 15 + 0
115 + -5x = 15

Add '-115' to each side of the equation.
115 + -115 + -5x = 15 + -115

Combine like terms: 115 + -115 = 0
0 + -5x = 15 + -115
-5x = 15 + -115

Combine like terms: 15 + -115 = -100
-5x = -100

Divide each side by '-5'.
x = 20

Simplifying
x = 20

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