1+3x-x=-1

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Solution for 1+3x-x=-1 equation: 


Simplifying
1 + 3x + -1x = -1

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

Solving
1 + 2x = -1

Solving for variable 'x'.

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

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

Combine like terms: 1 + -1 = 0
0 + 2x = -1 + -1
2x = -1 + -1

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

Divide each side by '2'.
x = -1

Simplifying
x = -1

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