Answer:
x = -9 3/8 i think
Step-by-step explanation:
k-5. The question seems incomplete though.
31-3x+19x-5=90
26+16x=90
-26 -26
--------------------
16x= 64
16x/16= 64/16
x=4
m <R=19 (4)-5= 71.
D. 63
k/3 - 9 = 12
k/3 = 21
k = 63
