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14 votes
14 votes
Y = x+1

3x + y = -7
Plot two lines by clicking the graph.
Click a line to delete it.
10
Solution:
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Y = x+1 3x + y = -7 Plot two lines by clicking the graph. Click a line to delete it-example-1
User Byron Jones
by
2.4k points

1 Answer

10 votes
10 votes
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(

2
,

1
)
(
-
2
,
-
1
)
Equation Form:
x
=

2
,
y
=

1
User Per Alexandersson
by
2.7k points