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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.
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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.

User Dfcorbin
by
4.6k points

1 Answer

1 vote

Answer:

a = c + 7

Explanation:

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

User Carl Von Stetten
by
5.0k points
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