Question

#11 solve the equation78 = -2(m + 3) +m

Answer 1

m = -84

To find this, here are the steps

78 = -2 (m+3) + m
78 = -2m - 6 + m
78 = -m - 6 
Add 6 to both sides now
84 = -m
Divide by the negative on both sides and
-84 = m

Hope this helps!