6+7r=-9+10r

Solution for 6+7r=-9+10r equation:

Simplifying
6 + 7r = -9 + 10r

Solving
6 + 7r = -9 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
6 + 7r + -10r = -9 + 10r + -10r

Combine like terms: 7r + -10r = -3r
6 + -3r = -9 + 10r + -10r

Combine like terms: 10r + -10r = 0
6 + -3r = -9 + 0
6 + -3r = -9

Add '-6' to each side of the equation.
6 + -6 + -3r = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -3r = -9 + -6
-3r = -9 + -6

Combine like terms: -9 + -6 = -15
-3r = -15

Divide each side by '-3'.
r = 5

Simplifying
r = 5