iM2 #17 Add Subtract Equations #2

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

Solve the equation:
20.5 = x + 4

• 16.5
• 16.05
• 24.5
• 24.05

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 3 = -12

• x = 9 
• x = -15
• x = -9
• x = 15

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 5.5 = -10.5

• x = 15
• x = -15
• x = 5
• x = -5

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 2.6 = -4.6

• x = 2
• x = -2
• x = 7.2
• x = -7.2

Tags

CCSS.6.EE.B.7

Which choice models this situation? Marcus needs to sell 25 tickets to a fundraiser by Friday. So far, he has sold 9 tickets. How many tickets does he still need to sell?

• t - 9 = 25

• t + 9 = 25

• 9t = 25

• t/9 = 25

Tags

CCSS.HSA.CED.A.3

Which choice models this situation?

Taylor has read 125 pages in a book. The book has a total of 262 pages. How many pages does she have left to read to finish the book?

• p - 125 = 262

• p + 125 = 262

• 125p = 262

• p/125 = 262

Tags

CCSS.HSA.CED.A.3

Which choice models this situation?

Jack needed new pencils for school today. He took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18

Tags

CCSS.HSA.CED.A.3

-16+ x= -15

• 2
• 0
• -1
• 1

Tags

CCSS.6.EE.B.7