Answer:
you put the variable first
Step-by-step explanation:
Jamie is correct. the reason is because when you put 7x you dont reverse it because we dont know what to multiply 7 by as when its 7x we know to multiply 7 by x
1/4 of 12 simply means that if there are 4 equal quarters in 12, how many would be in each of those quarters, or 1/4*12 or 12/4. 12 divided by 4 means that the 12 is on the top and 4 is on the bottom, meaning 12/4.
C if im right because 40 - 190 is 150 and she worked 3 hours 50 50 50 = 150
Answer:
Step-by-step explanation:
hello :
5x-y=7....(*)
4x+8y=-12...(**)
multiply (*) by 8 : 40x-8y =56 ...(***)
add(**) and (***) : 44x = 44 so : x = 1
put this value in (*) : 5(1)-y = 7
y = 5-7 = -2
Answer:
you would add 20 mL
Step-by-step explanation: