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IceJOKER [234]
3 years ago
8

Which ordered pair is a solution to the equation 4x + 7y = –5?

Mathematics
2 answers:
liq [111]3 years ago
7 0
First, I would isolate the y to make it easier
7y=-4x-5
y=-4/7x-5/7

Since there are basically and infinite amount of solutions to this equation, I would plug in both a 4 and -4 for x in the equation and solve for y

y=(-4/7)(4)-5/7
y=-16/7-5/7
y=-21/7, or -3

So since (4,-3) is a choice, the answer is C

Hope this helps
Vsevolod [243]3 years ago
4 0
The answer is C because 4(4)+7(-3)=-5.
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