Question

Find x and p: (i) -3 (4x+9) = 21 (ii) 20 – 2 (5-p) = 8

Answer 1

Step-by-step explanation:

i) -3(4x+9)=21

-12x -27 = 21

-12x = 21+27

-12x = 48

x= -48/12

x = -4

ii) 20 - 2(5 - p) =8

20 - 10 + p=8

10 + p =8

p = 8-10

p= -2