One Step Equations
t - 3.7 = 1.2
4.9
-2x + 6 = -8
7
A triangle has two known sides:
Side 1 = 3 cm
Side 2 = 2 cm
The perimeter is 10 cm.
Write and solve an equation to find the missing side.
5 cm
Write the equation:
A phone company charges you $10 per month plus $1.00 for each long distance call. How many calls did you make if your final bill is $100.
10 + 1.00x = 100
n + 1/2 = 3/2
-3x - 4.6 = 5.9
-3.5
Write "3 times a number y is -42" as an equation.
3y = -42
Dragane earns $25 for each pair of shoes he sells. How many pairs did he sell if he earned $300 this month?
25x = 300
12 pairs
6 + x = 1
-5
2x - 4 = 6
5
You play a game and lose 3 points for each wrong question. You have a final score of -15. Write an equation to show how many missed questions you have.
-3x = -15
Joey earned 500 points for playing a game. He also lost 5 points per error. How many errors did he make if his final score was 350
500 - 5x = 350
-2 + j = -22
-20
5x - 2 = 13
3
You are 5 years older than your cousin. How old is your cousin when you are 12 years old?
x + 5 = 12
Your cousin is 7.
Write as an equation:
9 more than a number is 25
9 + x = 25
-3x = -15
5
10x + 20 = 100
8
Write the 8 less than a number is 12 as an equation.
x - 8 =12
100 + 8x = 164