Adding, Subtracting, Multiplying, Dividing One Step Equations

19  + a  =  -50

• a = -950

• a =  -69

• a = -31

• a = -50/19

x - 8 = -5 

• 13

• -13

• 3

• -3

-16+ x= -15

• 2

• 0

• -1

• 1

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

51 + k = -142

• -193

• -91

• 91

• 193

decreased by is what operation?

• addition

• subtraction

• multiplication

• division

Rob had some video games then he bought 4 more. Now he has a total of 10 games.

• v-4=10

• 10-4=v

• v+4=10

• 4v=10

What is the inverse of subtraction?

• Dividing

• Multiplying

• Adding

• Subtracting

s + 42 = 75

• 33

• 117

• 36

• 43

Solve:
a + 69 = 72

• 3

• 141