7 - Equations Quiz

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

how would you solve this equation: 9x=153?

• multiply by 9 on both sides

• divide by 9 on both sides

• add 9 to both sides

• subtract 9 from both sides

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

2x + 3 = 9

• 2

• 6

• 3

• 12

Tags

CCSS.7.EE.B.4A

- 2 (x + 3) = 12

• 4.5
• -9
• -4.5
• 9

solve:
2+6x=x-1

• x=12
• x=-3/5
• x=1/7
• x=-7

Solve:

3(3x - 6) = 18

• x = 4

• x = -4

Solve:
3(3x - 6) = 18

• x = 4
• x = -4
• no solution
• infinite solutions

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Tags

CCSS.8.EE.C.7B