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m +
=
:
A good common denominator is 12, multiply equation by that
12*
m + 12*
= 12*
:
Cancel out the denominators and you have;
2(5m) + 3(9) = 3(-1)
:
10m + 27 = -3
:
10m = -3 - 27
:
m =
:
m = -3
:
:
Check solution with a calc:
(-3) +
=
-2.5 + 2.25 = -.25
