Square Roots
y2=144
y= 12 or -12
-57=3(y-7)
y=-12
3x-8-8x=42
x=-10
5r+2(3r-1)=-46
r=-4
9x+16=4x-19
x=-7
5n2=245
n = 7 or -7
-8(2m+5)=8
m=-3
-29=9-6k-2k-14
k=3
-41 = -2/5 (45n+60) + n
w-6=-4w-11
w=-1
(w2/-2) = -128
w = 16 or -16
7(x-6)=-14
x=4
-19=-5-3a-11
a=1
-4(5h+7) + 16h=40
h=-17
3a-28-7a=10a
a=-2
10-3a2=-2
a = 2 or -2
16=-2(k+9)
k=-17
19=10-5w+9w-7
w=4
-42=5(2c+9)-3(c+8)
c=-9
17-5r+9r=-12+6r-1
r=15
64 = v2/5 + 19
v = 15 or -15
-1/2 (12p-42) = -33
p=9
2k-6-7+3k=-48
k=-7
2(4v-9)-(3v-11)=-52
v=-9
8(y-7)=-2(y+3)
y=5