Two-Step Equations Knowledge Check

Select the equation that belongs with the tape diagram:

• 3x + 90=12

• 3x + 12=90

• 3x(12)=90

• 3x - 12=90

Select the equation that belongs with the tape diagram:

• 3(y+12)=90

• 3(90)=y+12

• y+12=90

• y + 90 = 12

Solve for x using the tape diagram:

• x= -26

• x= 26

• x= 2.5

• x= 34

Solve for x using the tape diagram:

• x= 18

• x= 78

• x= 258

• x= -78