-7r-3+2r=-(3-r)

Solution for -7r-3+2r=-(3-r) equation:

Simplifying
-7r + -3 + 2r = -1(3 + -1r)

Reorder the terms:
-3 + -7r + 2r = -1(3 + -1r)

Combine like terms: -7r + 2r = -5r
-3 + -5r = -1(3 + -1r)
-3 + -5r = (3 * -1 + -1r * -1)
-3 + -5r = (-3 + 1r)

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

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

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

Solving
-5r = 1r

Solving for variable 'r'.

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

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

Combine like terms: -5r + -1r = -6r
-6r = 1r + -1r

Combine like terms: 1r + -1r = 0
-6r = 0

Divide each side by '-6'.
r = 0

Simplifying
r = 0