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Vito
Mathematics
2 April, 23:00
Y = 2x - 7
x + 2y = 1
+1
Answers (
1
)
Carina Larsen
2 April, 23:06
0
Easy
y=2x-7
sub 2x-7 for every y you se inother equation
x+2 (2x-7) = 1
x+4x-14=1
5x-14=1
add 14 both sides
5x=15
divide 5
x=3
sub back
y=2x-7
y=2 (3) - 7
y=6-7
y=-1
(3,-1) is solution
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