Penyelesaian dari 3(m-1)+5=m+10

3m-3+5=m+10
3m+2=m+10
3m-m=10-2
2m=8
m=8:2
m=4

3(m-1)+5= m+10
3m-3+5= m+10
3m+2 = m+10
3m = m+10-2
3m = m+8
3m-m = 8
2m = 8
m = 8/2 = 4