Question

Solve the two-step equation. 5.1 = –3x – 4.2 1. Add 4.2 to both sides. 2. Divide both sides by -3. The solution is x = _________.

Answer 1

5.1 = -3x - 4.2

-3x - 4.2 = 5.1

-3x = 5.1 + 4.2

-3x = 9.3

x = 9.3/-3

x = -3.1

Answer 2

-3.1 =x

Explanation:

5.1 = –3x – 4.2

Add 4.2 to each side

5.1+4.2 = –3x – 4.2+4.2

9.3 = -3x

Divide each side by -3

9.3 / -3 = -3x/-3

-3.1 =x