2.1 Combine Like Terms to Solve Equations

3c + 5 = 23

-4x+1=21

-3x + 5 = -13

• x = -6
• x = 2
• x = -5
• x = 6

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

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

2x - 3 + 4x = 27

3y+6+4y-7=-8

Solve: 7r - 6.5r = - 20.5

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A