One-Step Equations
Solve for x:
x + 5 = 12
x = 7
2x + 3 = 11
x = 4
Solve for x:
2(x + 3) = 14
x = 4
Solve the inequality:
x + 3 < 7
x < 4
Emily has some apples in her basket. She buys 3 more apples at the market. Now, she has a total of 7 apples in her basket. How many apples did Emily start with?
Emily started with 4 apples. (a = 4)
Solve for y:
3y = 15
x = 5
Solve for y:
4y - 7 = 9
y = 4
Solve for y:
3y - 4 + 9 = 20
y = 5
Solve the inequality:
2y - 4 ≥ 10
y ≥ 7
Marvin buys two books for $60. How much does one book cost?
One book costs $30. (b = 30)
Solve for z:
z/4 = 2
z = 8
Solve for z:
3z + 6 = 15
z = 3
Solve for z:
5(z - 1) + 2 = 12
z = 3
Solve the inequality:
-3z + 6 < 0
z > 2
Selena buys two tickets to a music festival. She has a coupon for $5 off, so she only ends up spending $45. How much are the music festival tickets originally?
Each music festival ticket was $25. (t = 25)
Solve for a:
a - 10 = 0
a = 10
Solve for a:
5a - 5 = 20
a = 5
Solve for a:
4a + 2 - 3a = 10
a = 8
Solve the inequality:
5a - 2 ≤ 3
a ≤ 1
Cierra wants to buy some apples for $4 each and a pie for $12. She only has $35, how many apples can Cierra buy?
Cierra can buy 5 apples. (a = 5)
Solve for b:
5b = -25
b = -5
Solve for b:
-2b + 4 = 10
b = -3
Solve for b:
2(b + 4) - 3(b - 2) = 8
b = 6
Solve the inequality:
4b + 8 > 0
b > -2
Kevin wants to buy a couch that is $197 and he has a bunch of vouchers for $17 off the couch. Kevin wants to get the price for the couch down to $61. How many voucher must he use?
Kevin must use 8 vouchers. (v = 8)