Question 1 of 5Solve each System by Substitution
$$-2x-4y=-6,8x-5y=-18$$ $$-2x-4y=-6$$$$8x-5y=-18$$
Next »
Select the Correct Answer Below: Correct! Not Correct!
A
No Solution
B
$$(5,-3)$$
C
$$(-8,-2)$$
D
$$(-1,2)$$
E
$$(2,8)$$
Question 2 of 5Solve each System by Substitution
$$4x-8y=4,2x-8y=10$$ $$4x-8y=4$$$$2x-8y=10$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(-5,-5)$$
B
No Solution
C
$$(-2,-3)$$
D
$$(-3,-2)$$
E
$$(8,5)$$
Question 3 of 5Solve each System by Substitution
$$7x-y=14,20x-10y=-10$$ $$7x-y=14$$$$20x-10y=-10$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(3,7)$$
B
$$(7,7)$$
C
No Solution
D
$$(12,5)$$
E
$$(9,7)$$
Question 4 of 5Solve each System by Substitution
$$-8x-8y=-8,-40x-20y=20$$ $$-8x-8y=-8$$$$-40x-20y=20$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(-2,3)$$
B
$$(5,3)$$
C
$$(7,-2)$$
D
$$(-1,-1)$$
E
$$(12,-9)$$
Question 5 of 5Solve each System by Substitution
$$70x+70y=49,5x+5y=-8$$ $$70x+70y=49$$$$5x+5y=-8$$
Finish »
Select the Correct Answer Below: Correct! Not Correct!
A
$$(1,-4)$$
B
$$(5,3)$$
C
No Solution
D
$$(7,9)$$
E
$$(-2,-2)$$

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