1-Var Equations
-1 + 5x = -6. Solve for x.
x = -1
4x > 20. Solve for x.
x > 5
You need to spend $10 to get free shipping. You buy a shirt for $7.50 and want to know how much more you need to spend to get the discount.
x + 7.5 = 10
x/y = 14. Solve for x.
x = 14y
2x + y > 10. Solve for x.
x > 5 - y/2
(y + 4)/2 = 12. Solve for y.
y = 20
2y + 1 < 9. Solve for y.
y < 4
Jack is 4 inches taller than Jill. I want to know how tall Jill is if Jack is 68 inches tall.
x + 4 = 68
2y + 6x = 10. Solve for y.
y = 5 - 3x
5x + 10y < 100. Solve for y.
y < 10 - x/2
2(3x + 5) = 28. Solve for x.
x = 3
-4x < 30 + 2x. Solve for x.
x > -5
I need to be 5 feet tall to reach the top shelf in my kitchen. I want to know the minimum height I need to be if I use a 1 foot stool.
x + 1 > 5
3(2x - 6y) = 18. Solve for x.
x = 3 + 3y
2(3x + y) < 12. Solve for y.
7x = 4(x+3). Solve for x.
x = 4
3(y + 6) > -15. Solve for y.
y > -11
A car drives 60 miles per hour and in total drives 180 miles. You want to know how many hours the car drove for.
60x = 180
y - 4x = x/2. Solve for x.
x = (2/9)y
-3(x - 3y) > 15. Solve for x.
x < -5 + 3y
5y + 4 = y/2 + 1. Solve for y.
y = -2/3
x + 5 < 3(x + 2). Solve for x.
x > -1/2
Your mom gives you $5 for candy, and you can't go over. You want to know how many $1.50 candy bars you can buy.
1.5x < 5
2(x + y) = xy. Solve for y.
y = 2x/(x-2)
-4(2x - 3y) + 5 > 3x + 7. Solve for y.
y > (11/12)x + 1/6