3=5+x

Solution for 3=5+x equation:

Simplifying
3 = 5 + x

Solving
3 = 5 + 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 = 5 + x + -1x

Combine like terms: x + -1x = 0
3 + -1x = 5 + 0
3 + -1x = 5

Add '-3' to each side of the equation.
3 + -3 + -1x = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 5 + -3
-1x = 5 + -3

Combine like terms: 5 + -3 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2