Answer:
30.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
90 + 122 + 4x + 19 + 9x - 8 + 7x - 3 = 540
220 + 20x = 540
-220 -220
--------------------------
20x = 320
/20 /20
----------------
x = 16
Answer:
C
Step-by-step explanation:
702divded by 6=117
hes taking away
The equation should be 7x^2 -x-9=0