6=5r-7r

Solution for 6=5r-7r equation:

Simplifying
6 = 5r + -7r

Combine like terms: 5r + -7r = -2r
6 = -2r

Solving
6 = -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
6 + 2r = -2r + 2r

Combine like terms: -2r + 2r = 0
6 + 2r = 0

Add '-6' to each side of the equation.
6 + -6 + 2r = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2r = 0 + -6
2r = 0 + -6

Combine like terms: 0 + -6 = -6
2r = -6

Divide each side by '2'.
r = -3

Simplifying
r = -3