One Step Equation Solving with Rational Numbers

Solve the equation:
-2.6 + x = -4.6

• x = 2

• x = -2

• x = 7.2

• x = -7.2

Why do you divide by 5 on both sides?

• To undo division, you must multiply.

• To balance the equation, you must divide by 5 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 5 on both sides.

Why do you multiply by 7 on both sides?

• To undo division, you must multiply.

• To balance the equation, you must divide by 7 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 7 on both sides.

Why do you multiply by 7?

• To undo division, you must multiply.

• To balance the equation, you must divide by 7 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 7 on both sides.

Solve for x:
1243.8=2.4x

• 518.25

• 2985.12

• 1241.4

• 1246.2

Solve  x - 2.3 = 3.07

• 5.37

• 0.77

• 7.061

• 1.33

x - 32 = 49

• x = 17

• x = 71

• x = 81

• x = 49

Oranges cost $2 per pound. How many pounds of oranges can you buy for $20?

• a/2 = 20

• 2a = 20

• 20/a = 2

• 2/a = 20

Solve for x:
x/32.4=22

x=_

Solve for x:
x/32.4=22

• 56

• 16.2

• 0.64

• 712.8