2-step Day 2

What is the first step in solving 2x + 5 = 25 ?

• Add 5 on both sides

• Subtract 5 on both sides

How do we undo the multiplication in 2x = 20?

• Divide by 2 on both sides

• Add 2 on both sides

• Subtract 2 on both sides

• Multiply by 2 on both sides

what is the first step in solving 6p - 4 = 20

• Subtract 4 on both sides

• Add 4 on both sides

2x-5=15

• x=2

• x=-10

• x=10

• x=-2

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Is 5 a solution for 3x + 4 = 19

• yes
• no

Which of the following are like terms to 3x? Select ALL that apply.

• 8x²

• 3

• -4x

• 2x

• 12

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

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