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
Solve the following equation: 3(d + 2) = 4d -12
3d +6 = 4d - 12 , 6=d -12 d=18
Use a bar model to solve 3f + 9 = f + 21
2f + 9 = 21 , 2f=12, f=6
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
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
t-11=56, t=67
What is the constant in my expresion? 15v + 6
6
Use inverse operations to solve: 8s + 2 = 10s - 54
2=2s-54, 56=2s, s=28
Find the closest solution to the equation r(r+5)= 52
Closest number = We'll explain this one in class 5.13=51.969669
Write an expression that is equivalent to 2(x+4) + 5(x-3)
Answers vary 2x + 8 + 5x -15, 8+7x-15, 7x-7
Simplify: 2(t+4)+4(2t+6)
2t+8+8t+25 = 10t+33
What are the coefficients in my expression?
2b - 6 + 5b
Give the solution set for f < -5
{all numbers less than negative 5}
Solve the following equation: 8q + 6 = 4q – 14
4q+6 = -14 4q=-20. q = -5
Give the solution set for g > 6
{all numbers greater than 6}
What are the terms of my equation? 4c-4 = 5c +12
4c, 4, 5c, 12
Simplify: 6(y+5)+ 3(2+y)
6y+30+6+3y = 36+9y
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