Answer:
A. 5x = 45
Step-by-step explanation:
To check, substitute 9 for x in each equation.
A. 5*9 = 45
B. 2*9 ≠ 20
C. 4 + 9 ≠ 12
D. 9 +7 ≠ 26
-5a + 20a +-4a - -6= -16
Answer- a= -2
Hope this helps!
would you need to divide them???
20 mL
hope this helps
