Answer:
x = -9, y =3
Step-by-step explanation:
x + 2y = -3
x - y = -12
Subtract to two equations to eliminate x
x + 2y = -3
-x + y = 12
---------------------
3y = 9
Divide each side by 3
3y/3 = 9/3
y = 3
Now we can find x
x-y =-12
x - 3 = -12
Add 3 to each side
x-3+3 = -12+3
x = -9
Answer:
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Step-by-step explanation:
3^-1 = .33333333
1/4 = .25
Answer:
sorry this doesnt make sense but i think your mutiplying so it would be 30 because he took 10 minutes on his homework and 3 minutes per question
Step-by-step explanation:
Step-by-step explanation:
or alternative answer is 1.818181...