Answer:
x=21
Step-by-step explanation:
100+3x+x-4=180
100+4x-4=180
96+4x=180
4x=180-96
4x=84
x=21
Answer:
The solution is correct.
Step-by-step explanation:
Im not sure howto explain it, but i just know that it's a.
You answer is 3 and here's why...
7x + 5 - 3x - 7 = 10
First you must collect like terms
And that gives us
4x - 2 = 10
Next you must simplify by removing additives
4x - 2 + 2 = 10 + 2
4x = 12
Now you must divide
4x/4 = 12/4
x = 3
Answer:
D, 30%
Step-by-step explanation:
you move the decimal point twice to the right
Answer:
18/5 or 36 necklace
Step-by-step explanation:
kendell made 2/5 necklace in 1/9 hours
how many will she make in 1 hour
hmmm?
2/5 = 1/9
x = 1
2/5 × 1 = 1/9x
x = 2/5 ÷ 1/9
x = 2/5 × 9/1
x = 18/5
x = 3.6necklace
