-(1-x)=3

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Solution for -(1-x)=3 equation:


Simplifying
-1(1 + -1x) = 3
(1 * -1 + -1x * -1) = 3
(-1 + 1x) = 3

Solving
-1 + 1x = 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 + 1x = 3 + 1

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

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

Divide each side by '1'.
x = 4

Simplifying
x = 4

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