A) 4(25-3y)+5y=9
100-7y=9
   91=7y
   y=13
(-14,13)

b) 14-x=x-10
   2x=24
   x=12
(12,14)

c) 4x=12
  (3,7)

d) 18.5x+10.4y=200
   x+y=130

7 0

3 years ago

Trang has a job planting shrubs beside the highway. He needs to plant 500 shrubs in a week. So far, he has planted this many: Mo

Viefleur [7K]

84+92+87+104=367
500-367=133
He needs to plant 133 shrubs on Friday

3 0

2 years ago

Read 2 more answers

Solve the following equation for H. Be sure to take into account whether a letter is

MrMuchimi

Answer:

$H=n-8$

Step-by-step explanation:

$8+H=n$

$\mathrm{Subtract\:}8\mathrm{\:from\:both\:sides}$

$8+H-8=n-8$

$Simplify$

$H=n-8$

7 0

2 years ago