Solving Two-Step Equations Effectively

What is the main goal when solving a two-step equation?

• To get the variable by itself on one side of the equation

• To eliminate all numbers from the equation

• To make both sides of the equation equal zero

• To convert the equation into a single-step equation

Tags

CCSS.7.EE.B.4A

In the equation 3x + 2 = 23, what should be the first step to isolate the variable x?

• Multiply both sides by 3

• Add 2 to both sides

• Subtract 2 from both sides

• Divide both sides by 3

Tags

CCSS.HSA.REI.A.1

After subtracting 2 from both sides in the equation 3x + 2 = 23, what is the resulting equation?

• 3x = 21

• x = 21

• x = 7

• 3x = 25

Tags

CCSS.7.EE.B.4A

In the equation -2b - 14 = -24, what is the first step to isolate the variable b?

• Divide both sides by -2

• Add 14 to both sides

• Multiply both sides by -2

• Subtract 14 from both sides

Tags

CCSS.7.EE.B.4A

What is the value of b in the equation -2b - 14 = -24 after solving it?

• b = -5

• b = 10

• b = 5

• b = -10

Tags

CCSS.HSA.REI.A.1

When solving the equation 3(G + 2) = 12, what is one method to simplify the equation?

• Divide both sides by 2

• Add 3 to both sides

• Distribute the 3 to both G and 2

• Subtract 2 from both sides

Tags

CCSS.7.EE.B.4A

What is the value of G in the equation 3(G + 2) = 12 after solving it?

• G = 2

• G = 1

• G = 6

• G = 4

Tags

CCSS.7.EE.B.4A

In the equation (h + 11) / 8 = 2, what is the first step to isolate the variable h?

• Add 11 to both sides

• Divide both sides by 11

• Multiply both sides by 8

• Subtract 11 from both sides

Tags

CCSS.7.EE.B.4A

What is the value of h in the equation (h + 11) / 8 = 2 after solving it?

• h = -16

• h = -5

• h = 16

• h = 5

Tags

CCSS.7.EE.B.4A

In the word problem, how many drinks did Malik buy in January if his gift card balance went from $200 to $125?

• 15 drinks

• 25 drinks

• 10 drinks

• 20 drinks

Tags

CCSS.7.EE.B.4A