Answer:
3x + 15 = 3*10 + 15 = 30 + 15 = 45
<u>3x + 15 = 45</u>
Now,
2x + 25 = 2*10 + 25 = 20 + 25 = 45
<u>2x + 25 = 45</u>
Step-by-step explanation:
3x + 15 + 2x + 25 = 90
or, 5x + 40 = 90
or, 5x = 90 - 40
so, 5x = 50
so, x = 50/5 = 10
It depend on where you are working at that isn't a specific question
Answer:
1. 30x+60y=800
let 60y=800-30x
then:
30x+800-30x=800
0=0
2. You look nice and smart and a little mean
Darrick (DJ) Webb
Step-by-step explanation:
Answer:
Solutions for x are 2, 1/3
Everything in the second image is correct except you forgot to put 2 for c in the quadratic formula.