180-(x-20)=3

Solution for 180-(x-20)=3 equation:

Simplifying
180 + -1(x + -20) = 3

Reorder the terms:
180 + -1(-20 + x) = 3
180 + (-20 * -1 + x * -1) = 3
180 + (20 + -1x) = 3

Combine like terms: 180 + 20 = 200
200 + -1x = 3

Solving
200 + -1x = 3

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + -1x = 3 + -200

Combine like terms: 200 + -200 = 0
0 + -1x = 3 + -200
-1x = 3 + -200

Combine like terms: 3 + -200 = -197
-1x = -197

Divide each side by '-1'.
x = 197

Simplifying
x = 197