hopesanddreams3453:
10(1 - 2y) = -5(2y - 1)
Vocaloid:
distribute on both sides, let me know what you get
hopesanddreams3453:
10*1 - 10*2y= -5* 2y- -5*1
Vocaloid:
good, keep simplifying
hopesanddreams3453:
10-20y= -10y- -6 10-6= -20y -10y 4/-10= 10/10 y-0.4
hopesanddreams3453:
are you still there
Vocaloid:
10*1 - 10*2y= -5* 2y- -5*1 10 - 20y = -10y + 5
Vocaloid:
not sure where you got 6 from
Vocaloid:
also, please write - - as + every time you see it
Vocaloid:
so now we have: 10 - 20y = -10y + 5 add 20y to both sides
hopesanddreams3453:
10= -10y= 30y +5
Vocaloid:
check your signs
Vocaloid:
10 - 20y + 20y = ?
hopesanddreams3453:
do i add 20 agian? or 10
Vocaloid:
you start with 10 you take away 20y you put back 20y what's left?
hopesanddreams3453:
-10 + 20y
Vocaloid:
you start with 3 apples you take away 2 apples you put back 2 apples you are back where you started, 3 apples
Vocaloid:
now apply the same logic to the problem
Vocaloid:
you start with 10 you take away 20y you put back 20y what's left?
hopesanddreams3453:
like this: 10-20y+20
hopesanddreams3453:
20y
Vocaloid:
yes, and that equals...?
Vocaloid:
10-20y+20y = ?
hopesanddreams3453:
10-40y
Vocaloid:
hint: A-B+B = A follow the pattern. 10-20y+20y = ?
Vocaloid:
think about the apples problem
hopesanddreams3453:
10-20y=20y
Vocaloid:
you start with 3, take away 2, put back 2, and you have 3 again you start with 10, take away 20y, put back 20y, you have ___ again fill in the blank
hopesanddreams3453:
10-20y=20y
Vocaloid:
nope
Vocaloid:
|dw:1503533859150:dw|
Vocaloid:
I have drawn an arrow to what goes in the blank
hopesanddreams3453:
10-20y=10
Vocaloid:
almost
Vocaloid:
so, 10 - 20y + 20y = 10 make sense?
hopesanddreams3453:
now i get it
Vocaloid:
so now let's add 20y to the other side
Vocaloid:
-10y + 5+ 20y = ?
hopesanddreams3453:
10=5
hopesanddreams3453:
10+5
Vocaloid:
don't forget the y
Vocaloid:
10y + 5
hopesanddreams3453:
ok
hopesanddreams3453:
is that my answer
Vocaloid:
now we have: 10 = 10y + 5 y = ?
hopesanddreams3453:
sub 5 on both side correct
Vocaloid:
good
hopesanddreams3453:
5=10y
Vocaloid:
hold on I think I made a mistake somewhere
hopesanddreams3453:
ok
Vocaloid:
nvm we're good
hopesanddreams3453:
ok
Vocaloid:
so if 5=10y then y = ?
hopesanddreams3453:
y=0.5
Vocaloid:
good that's your answer
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