Solve from m: 0= 20+4 (m- 12)
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Answer:
20 + 4(m-12) = 0
20 + 4m - 48 = 0
4m - 28 = 0
4m = 28
m = 7
Hope its clear
Answered by
0
0=20+4(m-12)
0=20+4m-48
0=20-48+4m
0= -28+4m
0+28=4m
28=4m
7=m
0=20+4m-48
0=20-48+4m
0= -28+4m
0+28=4m
28=4m
7=m
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