6-7r=-9r

Solution for 6-7r=-9r equation:

Simplifying
6 + -7r = -9r

Solving
6 + -7r = -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
6 + -7r + 9r = -9r + 9r

Combine like terms: -7r + 9r = 2r
6 + 2r = -9r + 9r

Combine like terms: -9r + 9r = 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