2x+x+-x+(-1)=7+2-x

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Solution for 2x+x+-x+(-1)=7+2-x equation: 


Simplifying
2x + x + -1x + (-1) = 7 + 2 + -1x
2x + x + -1x + -1 = 7 + 2 + -1x

Reorder the terms:
-1 + 2x + x + -1x = 7 + 2 + -1x

Combine like terms: 2x + x = 3x
-1 + 3x + -1x = 7 + 2 + -1x

Combine like terms: 3x + -1x = 2x
-1 + 2x = 7 + 2 + -1x

Combine like terms: 7 + 2 = 9
-1 + 2x = 9 + -1x

Solving
-1 + 2x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-1 + 2x + x = 9 + -1x + x

Combine like terms: 2x + x = 3x
-1 + 3x = 9 + -1x + x

Combine like terms: -1x + x = 0
-1 + 3x = 9 + 0
-1 + 3x = 9

Add '1' to each side of the equation.
-1 + 1 + 3x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 9 + 1
3x = 9 + 1

Combine like terms: 9 + 1 = 10
3x = 10

Divide each side by '3'.
x = 3.333333333

Simplifying
x = 3.333333333

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