Julie has 3 boxes of pens. The diagram shows expressions for the number of pens in each box. Look at these equations, a = b + 9 b = c-2 Write an equation to show the relationship between a and c.

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asked Jul 15, 2022 62.1k views

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Julie has 3 boxes of pens.

The diagram shows expressions for the number of pens in each box.
Look at these equations,
a = b + 9
b = c-2
Write an equation to show the relationship between a and c.

Mathematics
high-school

Dfcorbin asked

by Dfcorbin

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Answer:

a = c + 7

Explanation:

just plug in (c - 2) for b in a = b + 9

Carl Von Stetten answered Jul 21, 2022

by Carl Von Stetten

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