Solve Equations with Variables on both sides I
Solve Equations with Variables on both sides II
Solve Equations with Variables on both sides III
REVIEW I
REVIEW II
100
5n+9=2n
n=-3
100
-4x = 20
x = -5
200
7a+10=2a
a=-2
200
11x=24+8x
x=8
200
8y-3=6y=17
y=10
200
1 1/2 + 1 1/3 =
1 5/6
200
-10m = 20
m =-2
300
3-10b=2b-9
b=1
300
2z-31=-9z+24
z=5
300
x+5=4x+26
x=7
300
1 1/3 - 1 1/2 =
1/6
300
3.5 (100) =
350
400
4n+13=n-8
n=-7
400
9-2y=8y-6
y=1.5
400
3a-1=2a
a=1
400
1 1/3 x 1 1/2 =
2
400
3 to the negative second power equals
1/9
500
6x+10=1x
x=-2
500
7a-5=2a
a=1
500
Hans needs to rent a moving truck. Suppose Company A charges a rate of $40 per day and Company B charges a $60 fee plus $20 a day. For what number of days is the cost the same?
3 days
500
1 1/2 / 1 1/3 =
3/4
500
-4 + -4 =
-8
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