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andrezito [222]
4 years ago
6

5x - 2y = 6

Mathematics
1 answer:
goldfiish [28.3K]4 years ago
7 0
Sub

x=5-y
nice
sub 5-y for every x you see in other equation

5(5-y)-2y=6
25-5y-2y=6
25-7y=6
minus 25 both sides
-7y=-19
divide both sides by -7
y=19/7

sub back

x=5-y
x=5-19/7
x=35/7-19/7
x=16/7


(16/7,19/7)

first one
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