what are the values of y and x please show work
i need till monday todays friday here thank you
2006-09-15 15:01:23 · 11 answers · asked by cosmoguy2121 3 in Education & Reference ➔ Homework Help
First substitute the 3x for y in your first equation.
x+4=3x-2
Now subtract x from both sides.
4= 2x-2
Now add 2 to both sides.
6=2x
Now divide both sides by 2
3=x
Now look at your second equation and substitute in 3 for x.
y=3+3+3
Now solve
y=9
I teach math and I can assure you these answers are correct.
2006-09-15 15:05:52 · answer #1 · answered by Mike S 7 · 3⤊ 0⤋
This is the right answer
x+4=x+x+x-2
x+4=3x-2
3x-x = 4 +2 you are collecting like terms
2x/2 = 6/2
x=3
since y = 3x then
y = 3(3)
y=9
there x= 3 and y =9
2006-09-15 15:16:08 · answer #2 · answered by Anonymous · 0⤊ 0⤋
x+4=x+x+x-2
x+4=3x-2
4=2x-2
6=2x
x=3
y=x+x+x
y= 3+3+3
y=9
2006-09-15 15:05:06 · answer #3 · answered by Anonymous · 1⤊ 0⤋
y=x+x+x
y=3x
x+4=y-2
substitute y=3x into above
x+4=3x-2
group like terms
2+4=3x-x
2x=6
x=3
y=3x
y=3 times 3
y=9
therefore, x=3, y=9
2006-09-15 15:43:23 · answer #4 · answered by andrea=) 2 · 0⤊ 0⤋
x=3 y=9
2006-09-15 15:08:23 · answer #5 · answered by Matty G 2 · 0⤊ 1⤋
x+4=y-2
x=y-2-4
x=y-6
substitute into #2
y = x+x+x
y=3x
y=3(y-6)
y=3y-18
2y=18
y=9
substitute into either
x=3
2006-09-15 15:06:31 · answer #6 · answered by Cabhammer 3 · 0⤊ 0⤋
consider eq.2 .y =3x put in eq 1.
x+4 = 3x-2
4-2 = 3x -x
2x =2
x=1 now put x=1 in y=3x
hence x=1 and y=3.
2006-09-15 20:11:46 · answer #7 · answered by macline k 2 · 0⤊ 1⤋
so, u would solve the first eq first
x+4=y-2 (minus four from both side)
x=y-6
Then, sub. the x value for the eq, y=x+x+x
y=(y-6) + (y-6) + (y-6)
y=3y - 18 (minus 3y from both side)
-2y = -18
y=9
sub. this value for y=x+x+x
9=3x
x=3
2006-09-15 15:07:48 · answer #8 · answered by Travis 4 · 0⤊ 0⤋
hmm.......
it's easy!!
x=y-6
subsitute y.
x=1x+1x+1x-6
when u add 3 x u get 3x.
so it's like this.
x=3x-6
then subtract 3x from both sides.
it'll equal to -2x=-6.
then divide-2 to both sides. then u get x by itself on one side and on the other side u get 3.
so x is equal to 3.
then let's subsitute 3.
3+4=y-2
7=y-2
then add 2 to both sides.
then y is equal to 9.
bingo!!
x=3 , y= 9
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2006-09-15 16:52:29 · answer #9 · answered by sweetholyeiei 1 · 0⤊ 1⤋
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RE:
if x+4=y-2, and y=x+x+x read more?
what are the values of y and x please show work
i need till monday todays friday here thank you
2015-08-18 15:06:52 · answer #10 · answered by Star 1 · 0⤊ 0⤋