X would be 0 while Y would be 4
3x+y=4
-(2x+y=4)
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x=0
Plug in x to any of those two equations in their original form
3(0)+y=4
0 + y = 4
y = 4
Answer:


A=5257.76
Step-by-step explanation:
Or use a calculator online.
Answer:
9, 10
Step-by-step explanation:
9² = 81
10² = 100
Answer:
-12
Step-by-step explanation:
a(b - c)
b = 3, c = -3 and a = -2
-2( 3- -3)
-2(3+3)
-2(6)
-12
I think it’s -4 but i’m not sure