Show:
Solving for a Specified Variable
Ratios and Proportions
Variables on Both Sides
Multi-Step Equations
1 Step equations
100
Solve for b: 7b=14x
b=2x
100
Are 1/2 and 2/4 proportional?
Yes
100
-2+10p=8p-1
p=0.5
100
7m-17=60
m=11
100
x+(-5)=12
x=17
200
Find y: 4x+y=8
y=8-4x
200
Find n: 20/28=n/21
n=15
200
Find s: 8s-10=3*(6-2s)
s=2
200
3r+7=8
r=1/3
200
5x=-45
x=-9
300
Solve for r: c=2pr
r=c/2p
300
t/1.8=1.7/0.9
t=3.4
300
7(n-1)=-2(3+n)
n=1/9
300
(k-12)/5=4
k=32
300
r/8.1=3
x=24.3
400
Solve for a: s=(1/2)at
a=(2s)/t
400
6/14=9/(x+15)
x=6
400
2m+5=5(m-7)-3m
No solution
400
s/12-9=-11
s=-24
400
(2/3)y=16
y=24
500
Solve for d: d+5c=3d-1
d=(5c+1)/2
500
(4y-5)/1=(-3y+1)/2
y=1
500
3(r+1)-5=3r-2
All real numbers
500
(3/2)a-8=11
a=12(2/3) or 38/3
500
(-3/8)n=12
n=-32