Step-by-step explanation:
substitute the value of x
3(1)+4y=7
3+4y=7
transpose
4y=7-3
4y=4
divide both sides by 4
y=1
3(2)+4y=7
6+4y=7
4y=7-6
4y=1
y=1/4
3x+4y=7
substitute x=1
divide 4 both side
y=4
if x=2
Divide both side to 4
therefore y=4 Or y=1/4
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Step-by-step explanation:
substitute the value of x
3(1)+4y=7
3+4y=7
transpose
4y=7-3
4y=4
divide both sides by 4
y=1
3(2)+4y=7
6+4y=7
transpose
4y=7-6
4y=1
divide both sides by 4
y=1/4
Step-by-step explanation:
3x+4y=7
substitute x=1
3(1)+4y=7
3+4y=7
4y=7-3
4y=4
divide 4 both side
y=4
if x=2
3(2)+4y=7
6+4y=7
4y=7-6
4y=1
Divide both side to 4
y=1/4
therefore y=4 Or y=1/4