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For the following problems, write an equation

 

using a different variable (let- ter/symbol) for each problem – and then solve the equation for your variable.

 

9)

An electrician cuts a 30 ft piece of wire into two pieces. One piece is 2 ft longer than the other. How long are the pieces?
 

 Mar 16, 2021
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x+y=30 1) x=2y 2)

2y+y=30

3y=30/3= 10

2y=2(10)= 20

One pice is 10 ft and the other pice is 20 ft

 Mar 16, 2021

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