How many solutions does this equation have?
-5 - 11r = 6(-2r - 3)

-5 + (-11r) = -12r - 18

By adding 5 to both sides you remove -5 on the left side and end up with:

-11r = -12r -13

By adding 12r to both sides you get rid of the -12r on the right side and get:

1r = -13

This is the same as:

r = -13

So this would only be 1 solution.

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