-3 + x = 5
x = 8
2x - 6 = 8
x = 7
x = 9
The solution to the equation −2(x + 11) = −8 is
x = _.
x = −7
The yearbook club had a meeting. The meeting had 12 people, which is three-fourths of the club. How many people are in the club?
There are 16 people in the club.
Solve
d/-6 = −6
x = 36
3 - 6x = -15
x = 3
7 + 3x = 40
x = 11
Solve 4(x + 8) = 44
x = 3
Carlos wants to rent a video game console for $17.50 and some video games for $5.25 each. He has $49 to spend. How many games can he rent?
g = 6
So, he can rent 6 games.
1/4 (b) = 15
Express the solution as a fraction or mixed number in simplest form.
b=60
Solve
-1/2x − 7 = 18
x = -50
Solve 3.8 = 2x − 11.2
7.5=x
Solve 0.4(x − 7) = 18
x = 52
Regina had her birthday party at a family fun center. It costs $34.50 for food plus $9.25 per person for game and ride tickets.
If the total cost was $108.50, how many people attended the party?
p = 8 So, 8 people attended.
Solve
-6 = 3/5 y
−10 = y
Solve 5x − 3.3 = 7.2
x = 2.1
Solve
2 + 1/6x = -4
x = -36
Solve −0.25(8 + x) = 14
x = -64
Marcus earns a base salary of $400 per week, plus $75 for each car he sells. If he earned $775 Last week, how many cars did he sell?
(Bonus 100 points for giving the equation)
5 cars
Solve −6 = 0.2b
−30 = b
Solve 1.3x + 1.5 = 5.4.
x = 3
Which equation is modeled on the algebra mat?
The equation modeled is 2x + 1 = 5.
Solve
1/2 (x − 4) = 5
x = 14
A parking lot is shaped like a trapezoid as shown. If the area of the parking lot is 846 square meters, what is the perimeter? (Hint: The formula for the area of a trapezoid is A =1/2 * h(b1 + b2)
The perimeter is 40 + 22.8 + 54 + 18 or 134.8 meters.