Question 23220
1. 4(-1)(1-y)+8=0
-4(1-y) + 8 = 0
-4 + 4y + 8 = 0
4y + 4 = 0
4y = -4
y = -1


2. 1-2(3-4)+y=-2y+8(1-1)
Do parentheses first!
1-2(-1) + y = -2y + 8(0)
1+2 + y = -2y
3 + y -y = -2y -y
3 = -3y

Divide by -3:  
y=-1


3. {{{y/8=4+(y-2)/24}}}
Multiply both sides by the LCD which is 24:

{{{24* (y/8)=24* 4+ 24*((y-2)/24)}}}
{{{3y = 96+ y -2}}}
{{{3y -y = 94 +y -y}}}
{{{2y = 94}}}
{{{y=47}}}


R^2 at SCC