Answer:
Step-by-step explanation:
2+8+3_5x1
13x + 7 + 4x + 15 = 90
17x + 22 = 90
17x = 68
x = 4
4(4) + 15= 16 + 15= 31
13(4) + 7 = 52 + 7 = 59
I believe it's C. (0.4)
the for the question is
a= -5
b= -4
c= 4
d= -1
