Solving Equations

Solve for the variable. 3x=-27

• x=9
• x=-30
• x=-9
• x=-24

Tags

CCSS.6.EE.B.7

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

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.

Tags

CCSS.7.EE.B.4A

Solve for k:
3k + 5 = 23

• k = 4
• k = 5
• k = 6
• k = 7

Tags

CCSS.7.EE.B.4A

The main point to solving an equation is to....

• get x by itself

• check the solution.

• guess and check.

• hope you get the right answer.

Tags

CCSS.7.EE.B.4A

The inverse of addition is...

• division

• multiplication

• subtraction

• addition

Tags

CCSS.HSA.REI.A.1

The inverse of division is...

• subtraction

• multiplication

• addition

• division

Tags

CCSS.3.OA.C.7

If you want to check your answer, what would you do after you find x?

• A. Replace X with the number and see if what you get is true.
• B. Check to see if it's the same X from another question.

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