Solving Linear Equations

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

The goal of solving a two-step equations is to:

• francine
• Find the coefficient 
• Find the value of the variable

Tags

CCSS.7.EE.B.4A

Which operation will cancel out multiplication?

• A.  Addition
• B. Subtraction
• C. Multiplication
• D. Division

Tags

CCSS.3.OA.C.7

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

What step would you take to solve this equation?

• Multiply both sides of the equation by 2
• Divide both sides of the equation by 2
• Add 2 to both sides of the equation
• Subtract 2 from both sides of the equation

Tags

CCSS.6.EE.B.7

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

Solve for x.

• 55
• 60
• 15
• 35

Tags

CCSS.7.EE.B.4A

Solve the following equation,
x + 7 = 28

• x = 35
• x = 4
• x = 196
• x = 21

Tags

CCSS.6.EE.B.7

3(5x + 1) = 48

• x = 47/15
• x = 47
• x = 51
• x = 3

Tags

CCSS.7.EE.B.4A

The first step to solving the equation g - 3 = -12 is to . . .

• divide by -3 on both sides of the equal sign

• multiply by -3 on both sides of the equal sign

• subtract 3 on both sides of the equal sign

• add 3 on both sides of the equal sign

Tags

CCSS.6.EE.B.7