One Step Equations
Solve for x:
x-5=10
x=15
9a-2=-65
a=-7
8x+7=2x+35
x=3
2(x+3)
2x+6
How many variable terms does this expression have?
6k-4+k-3
2 variable terms
10+x=60
x=50
-4x+7=-31
x=6
5w-29=55-2w
w=12
-(y+5)
-y-5
Translate the expression:
three subtracted from a number
x-3
2x=48
x=24
19-x=30
x=-11
6r-5=1+8r-24
9=r
5(n+6)-21
5n+9
Translate the expression:
“-4 times a number plus 29”
-4x+29
x/10=2
x=20
-17+r/2=-25
r=-16
9a-7a=3a-33+2a
a=11
12x-2(9-x)
14x-18
Xavier buys snacks and sodas. He spent $5.00 on snacks and bought 2 sodas. He spent a total of $8.00 at the store. How much did each soda cost?
$1.50
-18x=8
x=-2/9
(x-1)/6=2
x=13
-6(n-3)=5(4-n)
-2=n
14y-(y-2)+5(y+9)
18y+47
Elizabeth is saving her money to go on a vacation. She already has saved $500 and she makes $40 per hour at work. If her goal is to save $2900, how many hours must she work to make her goal?
60 hours