15-8=2x+x

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Solution for 15-8=2x+x equation:


Simplifying
15 + -8 = 2x + x

Combine like terms: 15 + -8 = 7
7 = 2x + x

Combine like terms: 2x + x = 3x
7 = 3x

Solving
7 = 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.
7 + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
7 + -3x = 0

Add '-7' to each side of the equation.
7 + -7 + -3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 0 + -7
-3x = 0 + -7

Combine like terms: 0 + -7 = -7
-3x = -7

Divide each side by '-3'.
x = 2.333333333

Simplifying
x = 2.333333333

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