iM2 #16 Solve Add/Subtract Equations #1

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

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?
-18=m+12

• add 18 to both sides
• subtract 18 from both sides
• add 12 to both sides
• subtract 12 from both sides

Tags

CCSS.6.EE.B.7

-22 + x = -42

• 64
• -64
• 20
• -20

Tags

CCSS.6.EE.B.7

n - 30 = -32

• -62
• 2
• -2
• 62

Tags

CCSS.6.EE.B.7

-2 + r = 20

• 18
• 22
• -10
• 10

Tags

CCSS.6.EE.B.7

x + (-23) = -40

• -17
• -63
• -2.3
• 2.3

Tags

CCSS.6.EE.B.7

x + 4 = -3

• -1
• 4
• -7
• 8

Tags

CCSS.7.NS.A.1B

Solve the equation: x-(-3)=8

• 5

• -5

• 13

• -24

Tags

CCSS.6.EE.B.7

Which equation is equivalent to 10=x+(-3)

• x-(-3)=10

• 3-x=10

• 10-x=3

• x-3=10

Tags

CCSS.8.EE.C.7A