4 = -8 + x
x= 12
6x – 13 = 11
x= 4
A concert ticket costs $45. If Jake paid $135 total, how many tickets did he buy?
3 Tickets
Solving Equations
x + 3 + 3x = 7
x = 1
4x - 2 = 3x + 5
x = 7
x + 12 = 0
x= -12
3x + 5 = 14
x= 3
Maria saves $8 per week. After how many weeks will she have saved $96?
12 Weeks
Solving Equations
5 + 5x - 1 = 29
x = 5
2(x - 4) = 5x + 4
x = -4
3 = -2 – x
x= -5
(x/2)+2 =-8
x= -20
A pizza costs $12 plus $2 per topping. If the total cost was $20, how many toppings were added?
4 toppings
Solving Equations
-45 = 3x + 4 + 4x
x = -7
x = 4
5x = -80
x= -16
-1/2x+8=10
x= -4
A water tank started with 250 gallons and is being drained at a rate of 15 gallons per hour. After how many hours will there be 100 gallons left in the tank?
10 hours
Solving Equations
14 = -(2a + 6) + 2
a= -9
x = 1
-16 = x+2
x= -18
2/3x-3=-3
x= 0
A gym membership has a $100 enrollment fee plus $30 per month. A different gym charges $50 per month with no enrollment fee. After how many months will the total costs be equal?
5 Months
Solving Equations
(2x+5)/3=7
x=8
6x - 15 + 4x = 5(2x - 3)