Question

If a+b+c=-2 and x+y=-9 what is 9x + 4b + 9y +4c + 4a​

Answer 1

-89

Explanation:

9x + 4b + 9y +4c + 4a​ (9x+9y)+(4a+4b+4c) =9(x+y)+4(a+b+c)

but : a+b+c = -2 and x+y = -9

9x + 4b + 9y +4c + 4a​ = 9(-9)+4(-2) = - 81 -8 =-89