2 years ago

Solve the system by substitution. - 2 + 3y = 20 7y = x

Mathematics

1 answer:

Savatey [412]2 years ago

3 0

Answer:

x = 22, y = 22/7

Step-by-step explanation:

solve for y using first equation:

-2 + 3y = 20

3y = 22

y = 22/7

substitute 22/7 into second equation:

7y = x

7(22/7) = x

x = 22

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