These equations seem tricky, but aren't as hard as you think. Just solve it like you are regularly adding fractions.
Your common denominator is 9x + 9, so
1/(9x+9) = 36/(9x + 9) - (5x + 5)/9
1 - 36 + 5x + 5 / 9x - 9
30x - 30/9x - 9
10x-10/3x - 3
10(x-1)/3(x-1)
10/3
Hope this helped!
Answer:
Hey there!
Let x be the price of lipstick
Let 1/2x be the price of shampoo
1.5x=20
x=13.33
1/2x=6.67
The shampoo costed $6.67, and the lipstick costed $13.33
Let me know if this helps , or if you have any more questions :)
3 ft, 3 ft, 2 ft
This will form a triangle
What are you looking for ? ... the area ??
Answer:
1. 1/2, rise/run and since you rise one and run 2 it'll be 1/2
2. 7/0 = undefined automatically, there is no value(undefined) if there is no run
3. rise: 28 - 18 10 5
_______ = _____ = _____ = 5
run: 4 - 2 2 1
4. 1, it rises 1 and runs 1