solve the Quadratic equation
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Answered by
9
Answer:
x−2y=4 3x+y=7 ]
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Isolate x for x−2y=4: x=4+2y
Substitute x=4+2y
[ 3(4+2y)+y=7 ]
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Simplify
[ 12+7y=7 ]
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Isolate y for 12+7y=7: y=−
5
7
For x=4+2y
Substitute y=−
5
7
x=4+2(−
5
7 )
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4+2(−
5
7 )=
18
7
x=
18
7
The solutions to the system of equations are:
x=
18
7 , y=−
5
7
Answered by
0
Answer:
very simple just try it
Step-by-step explanation:
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