How would I solve variables on both sides?

What is the first step in solving
2x + 3 = 9x + 7

• add 9x to both sides
• subtract 9x from both sides

What is the first step in solving 
3 + 2x = 7 + 9x

• add 9x to both sides
• subtract 9x from both sides

What is the first step in solving 
-3x + 3 = -5x + 7

• add 5x to both sides
• subtract 5x from both sides

What is the first step in solving 
3 - 3x = 7 - 5x

• add 5x to both sides
• subtract 5x from both sides

What is the first step in solving 
-9x + 3 = 12

• subtract 3 from both sides
• add 9 to both sides

Tags

CCSS.7.EE.B.4A

What is the first step in solving 
3 - 9x = 12

• subtract 3 from both sides
• add 9 to both sides

Tags

CCSS.7.EE.B.4A

What is the first step in solving 
-4x + 5 = 9

• subtract 5 from both sides
• add 4to both sides

Tags

CCSS.7.EE.B.4A

What is the first step in solving 
5 - 4x = 9

• subtract 5 from both sides
• add 4to both sides

Tags

CCSS.7.EE.B.4A