Write an expression that is equivalent to 2(x+4) + 5(x-3)
Answers vary 2x + 8 + 5x -15, 8+7x-15, 7x-7
15
Simplify: 6(y+5)+ 3(2+y)
6y+30+6+3y = 36+9y
15
Simplify: 2(t+4)+4(2t+6)
2t+8+8t+25 = 10t+33
25
What are the coefficients in my expression?
2b - 6 + 5b
15
What are the terms of my equation? 4c-4 = 5c +12
4c, 4, 5c, 12
20
What is the constant in my expresion? 15v + 6
6
15
Solve the following equation: 8q + 6 = 4q – 14
4q+6 = -14 4q=-20. q = -5
25
Solve the following equation: 3(d + 2) = 4d -12
3d +6 = 4d - 12 , 6=d -12 d=18
20
Find the closest solution to the equation r(r+5)= 52
Closest number = We'll explain this one in class 5.13=51.969669
25
What was my error when solving this equation? 14z + z + 3 = 63 z = 4.2
I didn't subtract three from the right side of my equation. It should have been 15z=60 z=4
20
Use a bar model to solve 3f + 9 = f + 21
2f + 9 = 21 , 2f=12, f=6
20
Use inverse operations to solve: 8s + 2 = 10s - 54
2=2s-54, 56=2s, s=28
25
Caleb is 8 years older than rylee. Rylee is half as old as Caleb. Define a variable for Rylee's age. Write an equation to solve for Rylee's age. How old is Rylee?
a + 8 = 2a , 8=a
25
Carly's grandfather has a very old pet tortoise. He told Carly that the tortoise was 56 years old when she was born 11 years ago. Carly is amazed and wants to know how old the tortoise is now. Which equation can Carly use to find the age