need help
2007-07-18 15:43:16 · 9 answers · asked by snyderman802000 1 in Science & Mathematics ➔ Mathematics
-15x-45+35y
2007-07-18 15:51:24 · answer #1 · answered by Sam B 2 · 0⤊ 0⤋
I will help you on this algebra problem:
I will guide you through the entire process:
-5(3x+9-7y)
-5(3x+9-7y)
step1: distribute -5 to everything
-5(3x)-5(9)-5(-7y)
step 2: multiply
-15x-45+35y
Answer=
=-15x-45+35y
you cannot go any further because remember that you cannot add or subtract unlike terms.
2007-07-18 23:09:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋
If you're just supposed to simply that all you need to do is distribute. That is, multiply the number on the outside to each term inside the parenthesis.
-5(3x) + -5(9) + -5(-7y)
= -15x - 45 + 35y
2007-07-18 22:47:04 · answer #3 · answered by alwaysandnever 2 · 0⤊ 0⤋
-5(3x+9-7y)
distribute -5 to everything within ()
-5(3x)-5(9)-5(-7y)
multiply
-15x-45+35y
2007-07-18 22:45:58 · answer #4 · answered by Carmen 4 · 0⤊ 0⤋
- 15x - 45 + 35y
Value of x:
- 15x - 45 + 35y = 0
- 15x = 45 - 35y
- 3x = 15 - 7y
x = 2 1/3y - 5
Value of y (inverse x):
- 15x - 45 + 35y = 0
35y = 15x + 45
7y = 3x + 15
y = 3/7x + 2 1/7
2007-07-22 21:55:28 · answer #5 · answered by Jun Agruda 7 · 2⤊ 0⤋
-5(3x+9-7y)=0
divide each side by -5
so, 3x+9-7y=0
subtract 9 from each side
so, 3x-7y=-9
you probably are trying to get this in y=mx+b form
so subtract 3x from each side
so, -7y= -3x-9
divide each side by -7 to get y by itself
so that give us ... y= 3x/7+ 9/7
y= 3x/7+ 9/7 is the ANSWER!
Hope this helps! =]
2007-07-18 22:50:52 · answer #6 · answered by answergrl 2 · 0⤊ 0⤋
-15x-45+35y...or in terms of y...y=(15x+45)/35
2007-07-18 22:47:26 · answer #7 · answered by incubus_trapt_fanatic 2 · 0⤊ 0⤋
Help with what?
You can't multiply by 5?
2007-07-18 22:46:54 · answer #8 · answered by oregfiu 7 · 1⤊ 1⤋
-15X-45+35Y
2007-07-18 22:47:39 · answer #9 · answered by jenjen 1 · 0⤊ 0⤋