2+1=83+x

Solution for 2+1=83+x equation:

Simplifying
2 + 1 = 83 + x

Combine like terms: 2 + 1 = 3
3 = 83 + x

Solving
3 = 83 + 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 = 83 + x + -1x

Combine like terms: x + -1x = 0
3 + -1x = 83 + 0
3 + -1x = 83

Add '-3' to each side of the equation.
3 + -3 + -1x = 83 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 83 + -3
-1x = 83 + -3

Combine like terms: 83 + -3 = 80
-1x = 80

Divide each side by '-1'.
x = -80

Simplifying
x = -80