3.1=x-1.5

Solution for 3.1=x-1.5 equation:

Simplifying
3.1 = x + -1.5

Reorder the terms:
3.1 = -1.5 + x

Solving
3.1 = -1.5 + 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.
3.1 + -1x = -1.5 + x + -1x

Combine like terms: x + -1x = 0
3.1 + -1x = -1.5 + 0
3.1 + -1x = -1.5

Add '-3.1' to each side of the equation.
3.1 + -3.1 + -1x = -1.5 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + -1x = -1.5 + -3.1
-1x = -1.5 + -3.1

Combine like terms: -1.5 + -3.1 = -4.6
-1x = -4.6

Divide each side by '-1'.
x = 4.6

Simplifying
x = 4.6