-3=4r-5r

Solution for -3=4r-5r equation:

Simplifying
-3 = 4r + -5r

Combine like terms: 4r + -5r = -1r
-3 = -1r

Solving
-3 = -1r

Solving for variable 'r'.

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

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

Combine like terms: -1r + r = 0
-3 + r = 0

Add '3' to each side of the equation.
-3 + 3 + r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + r = 0 + 3
r = 0 + 3

Combine like terms: 0 + 3 = 3
r = 3

Simplifying
r = 3