Solving Two-Step Equations

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

7k - 14 = 42

• 7

• -8

• 0

• 8

Tags

CCSS.7.EE.B.4A

13= 5m -2

• -3

• 2

• 3

• -2

Tags

CCSS.7.EE.B.4A

3n + 4 = 7 

• 1
• -1
• 3.67
• 2

Tags

CCSS.7.EE.B.4A

9 = 2s + 1 

• 4
• -4
• 3.5
• 5

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

 $10\ =\ \frac{s}{2}\ +\ 7$  

• -6

• 6

• 3/2

• -3/2

 $6\ =\ \frac{a}{4}\ +\ 2$  

• 16

• 15

• 14

 $\frac{a}{4}\ +\ 3\ =\ 31$  

• a= 28

• a= 112

• a= 7

• a= 67

 $\frac{x}{5}\ -\ 13\ =\ 20$  

• 145

• 165

• 180

• 190