-4+2(-2r+5)=10-8r

Solution for -4+2(-2r+5)=10-8r equation:

Simplifying
-4 + 2(-2r + 5) = 10 + -8r

Reorder the terms:
-4 + 2(5 + -2r) = 10 + -8r
-4 + (5 * 2 + -2r * 2) = 10 + -8r
-4 + (10 + -4r) = 10 + -8r

Combine like terms: -4 + 10 = 6
6 + -4r = 10 + -8r

Solving
6 + -4r = 10 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
6 + -4r + 8r = 10 + -8r + 8r

Combine like terms: -4r + 8r = 4r
6 + 4r = 10 + -8r + 8r

Combine like terms: -8r + 8r = 0
6 + 4r = 10 + 0
6 + 4r = 10

Add '-6' to each side of the equation.
6 + -6 + 4r = 10 + -6

Combine like terms: 6 + -6 = 0
0 + 4r = 10 + -6
4r = 10 + -6

Combine like terms: 10 + -6 = 4
4r = 4

Divide each side by '4'.
r = 1

Simplifying
r = 1