Which equation has a solution of 5? plz ?
a.
b4+4=20
b.
5x+5=25
c.
3a−6=21
d.
9n−11=34

D

Step-by-step explanation:

Search it up on matway. Btw the person above me was right I just accidentaly gave him a once star instead of 5.

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

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