Evaluate Expressions
a - 5 - 6 when a = 10 and b = 4
What is 1 ?
6x - 4x
3(x-1)
What is 3x - 3?
x + 8 = 15
What is x = 7?
Sarah has 12 pencils. After giving some pencils away, she has 7 pencils left. How many pencils did she give away?
z(x+y) use x = 6, y = 8, z = 6
What is 84?
8y - 3y - 2y
What is 3y?
-5(m-7)
What is -5m + 35?
-6m = 42
What is m = -7?
Each notebook costs $4. You spent $28 on notebooks. How many notebooks did you buy?
What is 4x = 28?
y - (z + z2) when y = 10 and z = 2
What is 4 ?
-8a -3 + 7 + 5a
What is -3a + 4?
-9(1-2a) + 8a
What is 26a - 9?
7 + 4h= 31
What is h = 6?
A computer repair bill was $179. The parts cost $44, and labor cost $45 per hour. How many hours did the repair take?
What is 45x + 44 = 179?
(x^3)/3 - y when x = 3 and y = 1
What is 8?
4x2-7x2+6
What is -3x2+6?
4 + 2(-2+6a)
What is 12a?
w/ 5 - 2 = 4
What is w = 30?
Juan's cell phone company charges $35 per month plus $0.50 for each text message. His bill was $52. How many text messages did he send?
What is 0.50x + 35 = 52?
c(bc/4) - ( 7 - a) use a =4, b = 8, c = 5
What is 47?
5n2-2n-3n2+n-4
What is 2n2-n-4?
2n(n+6) -10(10n+5)
What is 2n2-88n-50?
( x + 9) / 5 = -2
What is x = -19?
At a carnival, a group of 4 friends bought tickets. They also used a coupon that took $20 off the total cost. After the discount was applied, they paid $100. How much did each ticket cost?
What is 4x - 20 = 100?