solve for x and y:x/6+y/4is equal to 1 and 3x/4-x-y/2is equal to 7/4 pls answer
Answers
Answered by
1
x/6+y/4=1
(2x+3y)/12=1
2x+3y=12-------------------(1)
3x/4-(x-y)/2=7/4
(3x-2x+2y)/4=7/4
x+2y=7-----------------------(2)
Eq(1)-2 eq(2)
2x+3y-2x-4y=12-14
-y=-2
y=2
Put y in eq 1
2x+6=12
x=6/2
x=3
(2x+3y)/12=1
2x+3y=12-------------------(1)
3x/4-(x-y)/2=7/4
(3x-2x+2y)/4=7/4
x+2y=7-----------------------(2)
Eq(1)-2 eq(2)
2x+3y-2x-4y=12-14
-y=-2
y=2
Put y in eq 1
2x+6=12
x=6/2
x=3
Similar questions