Solve the following system of equations with the substitution method:
{
x
=
−
4
y
+
7
−
3
x
+
y
=
−
8
\displaystyle {\left\lbrace\begin{array}{ccc} {x}&=&-{4}{y}+{7}\\-{3}{x}+{y}&=&-{8}\end{array}\right.}
{
x
−
3
x
+
y
=
=
−
4
y
+
7
−
8
Answer:
(
x
,
y
)
=
\displaystyle {\left({x},{y}\right)}=
(
x
,
y
)
=
(
,
)
Preview
x
\displaystyle {x}
x
:
Preview
Question 6 Part 1 of 2
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y
\displaystyle {y}
y
:
Preview
Question 6 Part 2 of 2
Enter your answers as integers or as reduced fractions in the form A/B.
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\displaystyle