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Riley Good
Mathematics
10 June, 07:17
Solve the system of equation
Y=4x-11
Y=x+13
X=
Y =
+4
Answers (
1
)
Emery Cooke
10 June, 07:24
0
(8,21)
Step-by-step explanation:
Since both equations equal y, set both equaitions equal to each other
and solve for x
4x-11=x+13, subtract x from both sides
3x-11=13, add eleven to both sides
3x=24, divide both sides by 3 to get x alone
x=8
Substitute x=8 into either equation to solve for y
y=4 (8) - 11
y=32-11
y=21
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