-(x-3)=20

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Solution for -(x-3)=20 equation: 


Simplifying
-1(x + -3) = 20

Reorder the terms:
-1(-3 + x) = 20
(-3 * -1 + x * -1) = 20
(3 + -1x) = 20

Solving
3 + -1x = 20

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -1x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 20 + -3
-1x = 20 + -3

Combine like terms: 20 + -3 = 17
-1x = 17

Divide each side by '-1'.
x = -17

Simplifying
x = -17

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