20=5+x
x=15
1/3x-3=-3
x=0
5m=2-m
m=1/3
4n+1=-1+4n
No solution
y-17=19
y=36
-x/3-2=7
x=-27
3w=1/4(32-12w)
w=4/3
The lengths of the sides of a triangle are consecutive even integers. The perimeter is 18 m. How long are the sides?
The side lengths are 4 m, 6 m, and 8 m.
-2/11p=14
p=-77
6=10+(n+3)
n=-7
-x+6=9
x=-3
8(5-n)=2n
n=4
A rectangle’s length is 9 cm more than twice its width. If the perimeter is 60 cm, find the length and the width.
The width is 7 cm and the length is 23 cm.
b-3b=24
b=-12
-1/9x=5
x=-45
2(v+7)-9=19
v=7
(4n-28)/3=2n
n=-14
The width of a rectangle is 11 cm less than the length. The perimeter is 54 cm. Find the rectangle’s dimensions.
The width is 8 cm and the length is 19 cm.
3(m+5)-6=3(m+3)
All real numbers
4n=-2
n=-1/2
(2x-1)/3=5
x=8
5u+5(1-u)=u+8
u=-3
One side of a triangle is three times as long as the shortest side and the remaining side is 15 cm. If the perimeter is 31 cm, find the lengths of the sides of the triangle.
The side lengths are 4 cm, 12 cm, and 15 cm.
3x = 27 - 15x
x=3/2