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3 years ago

Solve for y -72=8(y-3)

Mathematics

1 answer:

DaniilM [7]3 years ago

3 0

Answer:

Step-by-step explanation:

y - 72 = 8(y - 3)

Distribute the 8 into (y - 3).

y - 72 = 8y - 24

Subtract 8y from both sides.

-7y - 72 = -24

Add 72 to both sides.

-7y = 48

Divide both sides by -7.

y = -48/7 or approxametly -6.9.

Proof:

y - 72 = 8(y - 3)

Substitute variable.

-48/7 - 72 = 8(-48/7 - 3)

Subtract.

-552/7 = 8(-69/7)

Multiply 8 by the inside term -69/7.

-552/7 = -552/7.

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