2-Step Equations Warmup

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

Answer explanation

To solve the equation, first, subtract 7 from both sides to isolate 4x. This gives 4x = 16. Then, divide by 4 on both sides to find x = 4. Therefore, the correct answer is x = 4.

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Answer explanation

To solve the equation 11 - 3x = 44, the first step is to subtract 11 from both sides to isolate the variable x.

Tags

CCSS.7.EE.B.4A

7 + ^a⁄₃ = 5

• a= -2

• a= -6

• a= 3

• a= 15

Answer explanation

To solve the equation, first subtract 7 from both sides to get a/3 = -2. Then multiply by 3 to find a = -6. Therefore, the correct answer is a = -6.

Tags

CCSS.7.EE.B.4A

Solve the equation for x:
2x + 3x + 4 = 44

• x = 8

• x = 9

• x = 10

• x = 11

Answer explanation

Combine like terms to get 5x + 4 = 44. Then, subtract 4 from both sides to get 5x = 40. Finally, divide by 5 to find x = 8. Therefore, the correct answer is x = 8.

Tags

CCSS.7.EE.B.4A

3(3x - 6) = 18

• x = 4

• x = -4

• x=8

• x= -12

Answer explanation

To solve the equation, first distribute the 3: 9x - 18 = 18. Then, add 18 to both sides: 9x = 36. Finally, divide by 9 to find x = 4, which is the correct answer.

Tags

CCSS.7.EE.B.4A

-11 + 3(b + 5) = 7

• b = 1

• b= -1

• b = 3

• b = -3

Answer explanation

To solve the equation, first distribute the 3: -11 + 3b + 15 = 7. Combine like terms: 3b + 4 = 7. Subtract 4 from both sides: 3b = 3. Divide by 3: b = 1. Therefore, the correct answer is b = 1.

Tags

CCSS.7.EE.B.4A