-x-1+3x=-25

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Solution for -x-1+3x=-25 equation:


Simplifying
-1x + -1 + 3x = -25

Reorder the terms:
-1 + -1x + 3x = -25

Combine like terms: -1x + 3x = 2x
-1 + 2x = -25

Solving
-1 + 2x = -25

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 = -25 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = -25 + 1
2x = -25 + 1

Combine like terms: -25 + 1 = -24
2x = -24

Divide each side by '2'.
x = -12

Simplifying
x = -12

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