September 15--Multi-Step Equations

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Guess and check

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation?
x - 5 = 7 - 2x

• Add 7 to both sides of the equation

• Add 2x to both sides of the equation

• Subtract 2x from both sides of the equation

• Subtract 5 from both sides of the equation

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the next step to solve this equation?
3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation?
3n - 4 = -2 + 2n 

• Add 2n to both sides of the equation

• Add 3n to both sides of the equation

• Subtract 2n from both sides of the equation

• Subtract 4 from both sides of the equation

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

What is the next step to solve this equation?
n - 4 = -2

• Add 4 to both sides of the equation

• Add n to both sides of the equation

• Subtract n from both sides of the equation

• Subtract 4 from both sides of the equation

Tags

CCSS.6.EE.B.7

12+5w-4w=15

• w=1
• w=3
• w=5
• w=4

Tags

CCSS.8.EE.C.7B

10(h+1)-4=76

• h=10
• h=4
• h=7
• h=76

Tags

CCSS.7.EE.B.4A

3(x-6)+2x=22

• x=8
• x=2
• x=18
• x=3

Tags

CCSS.8.EE.C.7B

Combine like terms and solve: 
4(y +4) = 46 – 2y

• x = 5 
• x = 6
• x = 7
• x = 8

Tags

CCSS.8.EE.C.7B

3(s+2)-s=38

• s=3
• s=38
• s=16
• s=1

Tags

CCSS.7.EE.B.4A