<span>4(6n + 9) - 10n
= 24n + 36 - 10n
= 14n + 36</span>
Answer:
x = 8
y = -7
Step-by-step explanation:
3y - 5x = -61
-----------------------+
-9x = -72
x = 8
3y -5(8) = -61
3y - 40 = -61
3y = -21
y = -7
Answer:
A) 80
Step-by-step explanation:
b/4-23=-3
b/4=-3+23
b/4=20
b=20*4
b=80
Basically its 250 + 16x = 210 + 18x where x = the number of hours doing the job.
Solving, we get 40 = 2x, x =20
The jobs has to be 20 hours long in order for their two painting jobs to be equally priced.
Hope this helped!
Answer: i think the answer is B thousands
Step-by-step explanation: