surbhi16
surbhi16 surbhi16
  • 24-07-2021
  • Mathematics
contestada

solve above question​

solve above question class=

Respuesta :

willruthr32 willruthr32
  • 24-07-2021
y=2−3x

2 Substitute
y
=
2
−
3
x
y=2−3x into
x
+
y
=
7
x+y=7.
−
2
x
+
2
=
7
−2x+2=7

3 Solve for
x
x in
−
2
x
+
2
=
7
−2x+2=7.
x
=
−
5
2
x=−
2
5
​


4 Substitute
x
=
−
5
2
x=−
2
5
​
into
y
=
2
−
3
x
y=2−3x.
y
=
19
2
y=
2
19
​


5 Therefore,
x
=
−
5
2
y
=
19
2

​

x=−
2
5
​

y=
2
19
​

​

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