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Timed Test For
Systems of equations with substitution
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Sample Problem
**Solve the system of equations.** $\begin{align} &-5x+4y = 3\\\\ &x=2y-15 \end{align}$ $ x=$ [[☃ math-keypad 1]] $y=$ [[☃ math-keypad 2]]
Solve the system of equations.
−
5
x
+
4
y
=
3
x
=
2
y
−
15
\begin{aligned} &-5x+4y = 3\\\\ &x=2y-15 \end{aligned}
−
5
x
+
4
y
=
3
x
=
2
y
−
1
5
x
=
x=
x
=
Check Answer
y
=
y=
y
=
Check Answer
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
