517,346 views
32 votes
32 votes
Look at the equation below. How many solutions are there?

2(3x+4)=6x+8)

User Druska
by
2.9k points

2 Answers

10 votes
10 votes

Answer:14x

Explanation:

3x+4=7x

7x times 2 = 14

6x+8=14x

User Jacky Shek
by
2.7k points
21 votes
21 votes

Answer:

x∈R

Explanation:

2(3x+4)=6x+8

Use the distributive property to multiply 2 by 3x+4.

6x+8=6x+8

Subtract 6x from both sides.

6x+8−6x=8

Combine 6x and −6x to get 0.

8=8

Compare 8 and 8.

True

This is true for any x.

x∈R

User Braggae
by
2.9k points