Question

y = x+1
3x + y = -7
Plot two lines by clicking the graph.
Click a line to delete it.
10
Solution:
Submit Answer

Answer 1

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