One Step Equation Rational Numbers

3x = - 60

4 - x = -5

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.

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

Solve for v: \( -46=v-12 \)

• v = -34

• v = 34

• v - 58

• v = -58

x ÷ ⁴/₉  = 18
Write your answer in simplest form.

• x = 8

• x = ¹/₈

• x = ⁷²/₉

16 = m/8

• m = 98

• m = 128

• m = 2

• m = 136

Solve the equation:

x - 5.5 = 10.5

• x = 5.5

• x = 5

• x = -15

• x = 16