Question

17.Solve
(a) + 4 (-3) = - 12
(b)3 ( 9 + x) + 3 =18​

Answer 1

Answer:

(a) 4(-3) = -12

=> -12 =-12

(b) 3(9+x) + 3 =18

=> 27 + 3x + 3 = 18

=> 30 + 3x = 18

=> 3x = 18 -30

=> x = -12/3

=> x = -4