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Dmitry [639]
3 years ago
12

Solve the system of equations by the substitution method. X + 8y = 21 3x + 5y = 6

Mathematics
1 answer:
Tresset [83]3 years ago
7 0

Step-by-step explanation:

the first one if you are solving for x it will be x=21-8y

if you are solving for y it will be y =21/8 - x/8

the second one will be if you are solving for x  x = 2 -5y/3

solving for y is y=6/5-3x/5

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see the attached figure to better understand the problem

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