Question

Help me please! Which value of x makes the expressions equal? 3x, x + 4

Answer 1

x = 2

Explanation:

3x = x + 4

subtract the x which makes 2x

2x = 4

divide by two on each side

x = 2

Check

3x = x + 4

6 = 2 + 4

6 = 6

Answer 2

Answer: x=2

Explanation:

3x=x+4

Subtract x from both sides.

2x=4

Divide both sides by 2.

x=2