function notation
f(-4)=-1/2(-4)+3
F(-4)=5
f(8)=12
(8,12)
2x+3x=5
x=1
uq=srt
solve for q
q=srt/u
3x+5=20
x=5
f(-2)=-1/2(2)+3
f(-2)=2
f(-1)=15
(-1,15)
10x-3x=20+2
x=3
y=-w/x
solve for w
y/x=w
2x+8=20
x=6
f(8)=-9(8)+5
f(8)=-67
f(-8)=17
(-8,17)
2(2x+9)=17
x=2
p=s+q-r
solve for q
q=p+r-s
7x+7=32
x=5
f(-5)=-4(-5)-10
f(-5)=10
f(10)=30
(10,30)
2(x+5)+3x=0
x=-2
a=p+i solve for i
a-p=i
10x+7=27
x=2
f(-2)=-2^2+3
f(-2)=-1
f(3)=6
(3,6)
-2(4x+5)=14
x=-3
u=v+x-w
solve for x
x=v-w-u
4x+6=10
x=1