What is the solution of the linear equation y-4x=7 and 2y+4x=2
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Answered by
1
Solution :
y - 4x = 7
=> y = 4x + 7 ----( 1 )
Substitute ( 1 ) in
2y + 4x = 2 , we get
=> 2(4x+7)+4x = 2
Divide each term by 2 , we
get
=> 4x+ 7 + 2x = 1
=> 6x = 1 - 7
=> x = (-6)/6
=> x = -1
put x = -1 in equation ( 1 ),
we get
y = 4(-1 ) + 7
= -4 + 7
= 3
Therefore ,
x = -1 , y =3
•••••
y - 4x = 7
=> y = 4x + 7 ----( 1 )
Substitute ( 1 ) in
2y + 4x = 2 , we get
=> 2(4x+7)+4x = 2
Divide each term by 2 , we
get
=> 4x+ 7 + 2x = 1
=> 6x = 1 - 7
=> x = (-6)/6
=> x = -1
put x = -1 in equation ( 1 ),
we get
y = 4(-1 ) + 7
= -4 + 7
= 3
Therefore ,
x = -1 , y =3
•••••
Answered by
0
x=-1
y= 3
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Refer attachment for explanation
y= 3
Please mark me brainliest if it helped you
Refer attachment for explanation
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