Solving and Graphing One Step Equations

To solve the equation -13y = 39 you _______________both sides of the equation by -13.

• multiply

• add

• subtract

• divide

The solution to the equation a - 10 = -4 is 6. To check to see if your solution works you _________________the variable with the solution that you found and then verify that the left side is equal to the right.

• multiply

• replace

• subtract

• add

The equations x + 11 = 13 and x = 2 are______________________ equations because they have the same solution, x = 2.

• opposite

• equivalent

• additive inverses

• positive

To solve the equation n/-5 = 20, you would ___________________both sides of the equation by -5.

• divide

• multiply

• add

• subtract

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

The equation 10 = x - 3 is represented by the model shown.

Which represents the solution to this equation?​ (a)  

• x = 13

• x = 3

• x = 7

• x = -7

Mathematical Equivalence

ON