3-(x+7)=

Solution for 3-(x+7)= equation:

Simplifying
3 + -1(x + 7) = 0

Reorder the terms:
3 + -1(7 + x) = 0
3 + (7 * -1 + x * -1) = 0
3 + (-7 + -1x) = 0

Combine like terms: 3 + -7 = -4
-4 + -1x = 0

Solving
-4 + -1x = 0

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4