Question

Use the following steps as a guide to solve the following equation.

3x -4 = 2(5x + 5)

Steps


Step 1. Distributive Property

Step 2. Move variables to one side of the equation:

(Addition/Subtraction Property of Equalities)

Step 3. Move constant to the other side of equation:

(Addition/Subtraction Property of Equalities)

Step 4. Isolate your variable:

(Multiplication/Division Property of Equalities)​

Answer 1

Answer: x = -2

Explanation:

1. Distribute the 2: (2 * 5x) + (2 * 5)

3x - 4 = 10x + 10

2. Subtract 3x from both sides

-4 = 7x + 10

3. Subtract 10 from both sides

-14 = 7x

4. Divide both sides by 7

-2 = x

or

x = -2