3=x+7-1

Solution for 3=x+7-1 equation:

Simplifying
3 = x + 7 + -1

Reorder the terms:
3 = 7 + -1 + x

Combine like terms: 7 + -1 = 6
3 = 6 + x

Solving
3 = 6 + 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.
3 + -1x = 6 + x + -1x

Combine like terms: x + -1x = 0
3 + -1x = 6 + 0
3 + -1x = 6

Add '-3' to each side of the equation.
3 + -3 + -1x = 6 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 6 + -3
-1x = 6 + -3

Combine like terms: 6 + -3 = 3
-1x = 3

Divide each side by '-1'.
x = -3

Simplifying
x = -3