Answer:
Hi! The answer to your question is D. 7/6
Step-by-step explanation:
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Multiply the second equation by -1 to make it x+y=4
Now you have to add the together
-x- 4y=14
+ x+ y= 4
The x's cancel out leaving you with
-3y=18
Divide -3 on both sides
y=-6
Now plug in y to one of the equations
-x-4(-6)=14
-x+24=14
subtract 24 on both sides
-x=-10
Divide by -1 on both sides to make x positive
x=10
(10,-6)
Answer:
Step-by-step explanation:
Given
Required
x and y
Add both equations to eliminate y
Divide both sides by 6
Substitute in the first equation
Divide by -3
Answer:
75%
Step-by-step explanation:
20x5=100 and 15x5=75 and 75/100 =75%