4(3-7c)+10=-10c-140. 6m-72=4m-50

Question

4(3-7c)+10=-10c-140.
6m-72=4m-50

Answer 1

4(3-7c)+10=-10c-140.
12 - 28c + 10 = -10c - 140
22 - 28c = -10c - 140
-28c + 10c = -140 - 22
-18c = -162
c = 162 : 18
c = 9


6m-72=4m-50
6m - 4m = -50 + 72
2m = 22
m = 22 : 2
m = 11