Solving Addition Equation by Subtraction

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 for x in the following equation:

20.5 = x + 4

• 16.5

• 16.05

• 24.5

• 24.05

Tags

CCSS.6.EE.B.7

The inverse operation of addition is ??????????

• addition

• subtraction

• multiplication

• division

Tags

CCSS.2.NBT.B.5

q - 12 = 1

Tags

CCSS.6.EE.B.7

Solve for p. 
p + 22 = 66

• 40

• 44

• 22

• 42

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation?
y + 5 = 12

• Subtract 5 from both sides

• Subtract 5 from one side

• Add 5 from both sides

• Add 5 to one side and subtract 5 from the other

Tags

CCSS.6.EE.B.7

a + 4 = 11

• a = 3

• a = 7

• a = 4

• a = 11

12 + y = 15

• y = -3

• y = 27

• y = 3

• y = -27

Tags

CCSS.6.EE.B.7

h + 100 = 200

• 300

• 50

• 100

• 150

Tags

CCSS.6.EE.B.7

Solve for x.
x + 5 = 23

• 28

• 18

• 23

• 20

Tags

CCSS.6.EE.B.7