Question

12) solve 1/2 of 12, 2)3 of 21, 1/4 × 24
13) simplify: n+n+n, 3c+5c, 4b+b, 8v-2v
14) 4ad+7bn+5ad-2bn
15) solve : 3(x+2), 4(y-5), 4(3x+2), 2(2y-3)
16) solve : n+3=8, m-4=12, 3b+2=17​

Answer 1

Answer:

15. 3x+6,4y-20 ,12x+8,4y-6

n=5, m=8, 15 3b