Solving two-step equations with fractions & decimals

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

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

 $\frac{6}{7}x=6$  

• 3

• 8

• 7

Tags

CCSS.6.EE.B.7

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Tags

CCSS.7.EE.B.4A

33 = 4a - 7

• a=-10
• a=10
• a=4.5

Tags

CCSS.7.EE.B.4A

 $3+\frac{1}{4}a=31$  

• a= 28

• a= 112

• a= 7

• a= 67

Tags

CCSS.7.EE.B.4A

 $7+\frac{a}{3}=5$  

• a= -2

• a= -6

• a= 3

• a= 15

Tags

CCSS.7.EE.B.4A

50 = 28.1 + 0.15a

• a= 150

• a= 146

• a= 6

• a= 155

Tags

CCSS.7.EE.B.4A