Which ordered pair is the solution to the system of equations? -5x + y = -3 3x - 8y = 24 A. (0, -3) B. (-3, 0) C. (4, 6) D. (2, 7)

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25-05-2015
Mathematics

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Which ordered pair is the solution to the system of equations? -5x + y = -3 3x - 8y = 24 A. (0, -3) B. (-3, 0) C. (4, 6) D. (2, 7)

Answer :

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arewar arewar · Answer 1 · 2015-05-25T15:54:56-04:00

arewar arewar

25-05-2015

-5x+y=-3
3x-8y=24

Substitution method. Solving for the first equation, because it's easy.

y=-3+5x

Plugin to the other equation.
3x-8(-3+5x)=24
Simplify: 3x+24-40x=24 (Remember, multiplying negatives makes it positive.)
Simplify: -37x + 24 = 24
Subtract: -37x = 24-24
-37x=0
x=0

Plug back into the first:
y=-3+5(0)
y=-3+0
y=-3

Option A

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lexusdixon3 lexusdixon3 · Answer 2 · 2022-06-06T14:27:45-04:00

lexusdixon3 lexusdixon3

06-06-2022

Answer:

answer is A

Step-by-step explanation:

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