solve the following using substution method of maths 8x+5y=9 and 3x+2y=4
Answers
Answered by
1
the solution of equations is x= -2 and
y=5
y=5
Thomas123:
i need the method
plzz give me
8x+5y=9,x=(9-5y)/8, put it second equation,3{(9-5y)/8}+2y=4,(27-15y)/8+2y=4,27-15y+16y=32,y=5 put it in first equation 8x+25=9,8x=-16,x=-2
Answered by
2
8x+5y=9
8x=9-5y
x=(9-5y)/8
3x+2y=4
3{(9-5y)/8}+2y=4
(18-15y)/8+2y=4
18-15y+16y=32
y=14
x=(9-5y)/8
x=(9-5×14)/8
x=(9-70)/8
x=-63/8
x=7.8
hope it helps you
plz make it as brainliest....
8x=9-5y
x=(9-5y)/8
3x+2y=4
3{(9-5y)/8}+2y=4
(18-15y)/8+2y=4
18-15y+16y=32
y=14
x=(9-5y)/8
x=(9-5×14)/8
x=(9-70)/8
x=-63/8
x=7.8
hope it helps you
plz make it as brainliest....
mark it as brainliest
Similar questions