2x+x-8=7

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Solution for 2x+x-8=7 equation: 


Simplifying
2x + x + -8 = 7

Reorder the terms:
-8 + 2x + x = 7

Combine like terms: 2x + x = 3x
-8 + 3x = 7

Solving
-8 + 3x = 7

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 3x = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 3x = 7 + 8
3x = 7 + 8

Combine like terms: 7 + 8 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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