In a welding job, three pieces of 2 inch I-beam with lengths 5 7/8, 8 9/16 and 22 15/16 inches are needed. What is the total length of I-beam needed? Allow 1/16 for the kerf in each cut.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.

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