2x+x-11+7x=15

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Solution for 2x+x-11+7x=15 equation:


Simplifying
2x + x + -11 + 7x = 15

Reorder the terms:
-11 + 2x + x + 7x = 15

Combine like terms: 2x + x = 3x
-11 + 3x + 7x = 15

Combine like terms: 3x + 7x = 10x
-11 + 10x = 15

Solving
-11 + 10x = 15

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 10x = 15 + 11

Combine like terms: -11 + 11 = 0
0 + 10x = 15 + 11
10x = 15 + 11

Combine like terms: 15 + 11 = 26
10x = 26

Divide each side by '10'.
x = 2.6

Simplifying
x = 2.6

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