a new road was added near Riana's neighborhood. the road is 5 miles long, and the city plans to place a streetlight every 1/10 mile. there already is a street light at the beginning of the new road. how many street lights will be placed on the new road?​

50

Step-by-step explanation:

21.4 i did it already for s1

step-by-step explanation:

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