Model and Solve One Step Equations Positive Only

Write the equation for the model.

• 7=2x-3

• 7=2x+3

• -7=2x-3

• 7=-2x-3

Solve the equation.

• x=5

• x=-5

• -x=5

• -x=-5

Solve the equation.

• x=16

• x=-16

• x=-8

• x=8

Solve the equation.

• x=10

• x=-4

• x=-10

• x=4

Solve: y -7 = 5

Mathematical Equivalence

ON

Solve the equation.

• x=5

• x=4

• x=10

• x=2

Write the equation for the model.

• -x+4=-12

• x-4=-12

• -x-4=12

• -x+4=12

Write the equation for the model.

• 3x+6=-9

• -3x-6=9

• 3x+6=9

• 3x-6=-9

• 9

• 3

• 2

• 4

What step should you do first to solve this equation?

y + 3 = 19

• Add 19 on both side of the equation

• Subtract 3 on both sides of the equation.

• Add 3 on both sides of the equation.

• Subtract 3 on only the left side of the equation.