-1-2x=3

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Solution for -1-2x=3 equation: 


Simplifying
-1 + -2x = 3

Solving
-1 + -2x = 3

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 = 3 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 3 + 1
-2x = 3 + 1

Combine like terms: 3 + 1 = 4
-2x = 4

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

Simplifying
x = -2

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