Which ordered pair is a solution of the equation? y=8x+3y=8x+3

Mathematics

2 answers:

jeyben [28]2 years ago

7 0

y=8x+3y=8x+3

the answer is (7,4) i think

_queenshadygucci_

Mrac [35]2 years ago

3 0

Multiply the first equation by 4 (so that both equations will have 8x terms) and then subtract:

8x-20y = -24

8x +3y = 68

------------

0 -23y = -92

Now divide both sides by -23:

y = 4

Find x by plugging y=4 into either equation:

8x +3(4) = 68

8x = 68 - 12

8x = 56

x = 7

So the answer is ordered pair is (7,4)

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