17=x-(-3)

Solution for 17=x-(-3) equation:

Simplifying
17 = x + -1(-3)

Multiply -1 * -3
17 = x + 3

Reorder the terms:
17 = 3 + x

Solving
17 = 3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
17 + -1x = 3 + x + -1x

Combine like terms: x + -1x = 0
17 + -1x = 3 + 0
17 + -1x = 3

Add '-17' to each side of the equation.
17 + -17 + -1x = 3 + -17

Combine like terms: 17 + -17 = 0
0 + -1x = 3 + -17
-1x = 3 + -17

Combine like terms: 3 + -17 = -14
-1x = -14

Divide each side by '-1'.
x = 14

Simplifying
x = 14