4 years ago

-5(m-9) = 27-7m what does m equal

Mathematics

2 answers:

vekshin14 years ago

7 0

Expand

-5m + 45 = 27 - 7m

Subtract 27 from both sides

-5m + 45 - 27 = -7m

Simplify -5m + 45 - 27 to -5m + 18

-5m + 18 = -7m

Add 5m to both sides

18 = -7m + 5m

Simplify -7m + 5m to -2m

18 = -2m

Divide both sides by -2

-18/2 = m

Simplify 18/2 to 9

-9 = m

Switch sides

m = -9

Alexeev081 [22]4 years ago

5 0

-9 is the answer is it is not being subtracted by anything but the M

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