Solving for a Variable (+/-)

- 13 = x-9

solve for x

• 4

• -21

• -4

• 21

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.6.EE.B.7

r - 18 = 27

• -45
• 45
• -9
• 9

Tags

CCSS.6.EE.B.5

What is the inverse operation needed to solve for p?

765 = p - 254

• subtraction

• addition

• multiplication

• division

y + 2.93 = 36

• y = 38.93

• y = 34.93

• y = 6.7

• y = 33.07

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

-4 + x = -7

• x = -3
• x = 3
• x = -20
• x = -8

  m - (-3) = 11

• -13
• 14
• 8
• -8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the solution of 25 + k = 18

• 18

• -7

• 43

• 7

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16

Tags

CCSS.6.EE.B.7

What value of a makes this equation true, a - 5 = -9

• -14

• 9

• 5

• -4