18
3m + 15 = 45 3m = 30 m = 10
mn - 15 + 3m - 5n Rearranging: mn + 3m - 5n - 15 = m(n + 3) - 5(n + 3) = (m - 5)*(n + 3)
22-3m=7 [Subtract 22 from each side]-3m=-15 [Divide both numbers by -3]m=5
9 sq m
5m = 2m - 153m = -15m = -15/3m = -5
3m + 15 = 45 3m = 30 m = 10
3m+2=17 First, subtract 2 to get m on one side. 3m+2-2=17-2 3m=15 Divide by 3 to get m by itself. 3m/3=15/3 m=5 m equals 5.
mn - 15 + 3m - 5n Rearranging: mn + 3m - 5n - 15 = m(n + 3) - 5(n + 3) = (m - 5)*(n + 3)
22-3m=7 [Subtract 22 from each side]-3m=-15 [Divide both numbers by -3]m=5
9 sq m
15-2 = 13
5m = 2m - 153m = -15m = -15/3m = -5
The area is 15 square metres.
Assuming you mean 15 percent of 3 metres.... That's 45 centimetres.
12meters
5*3 = 15 square meters
3m