Solving Two-Step Equations and Writing Equations

What is the second step in solving this equation?
2x + 5 = 15

• Multiply by 2

• Add 5

• Subtract 5

• Divide by 2

Tags

CCSS.7.EE.B.4A

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• 24-10=7x

• 7x- 24=10

• 7x+ 10=24

• 10+x=14

Tags

CCSS.HSA.CED.A.3

The goal of solving two-step equations is to:

• francine

• Find the coefficient 

• Find the value of the variable

Tags

CCSS.7.EE.B.4A

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS

Tags

CCSS.7.EE.B.4A

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Add 7

• Subtract 7

Tags

CCSS.7.EE.B.4A

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5

• add 5 to both sides

• divide both sides by 5

• subtract both sides by 5

Tags

CCSS.7.EE.B.4A

2 (n + 5) = -2 The first step in solving the following equation is ____________

• add five to both sides

• distribute 2 to all terms in the parenthesis

• add 2

Tags

CCSS.HSA.REI.A.1

What is the first step to complete when solving this equation?

• Add 10

• Subtract 10

• Add 3

• Divide by -3

Tags

CCSS.7.EE.B.4A

Last Friday Stefan had $35. Over the weekend, his parents gave him some money for washing the car and now he has $47. Write an equation to determine how much his parents paid him for washing the car.

Tags

CCSS.HSA.CED.A.3

Alberto spent half of his weekly allowance on clothes. To earn more money, his parents let him clean the over for $9. Write an equation to determine his weekly allowance if he ended the week with $12.

Tags

CCSS.HSA.CED.A.3