Question

An eqiation is show 5x + 3x = 5x + 15/2what value of 3x make the equation true

Answer 1

15/2

1) Let's evaluate that for 3x

5x + 3x = 5x + 15/2 Subtract 5x in both sides

3x = 5x -5x +15/2

3x = 15/2

2) Therefore, the answer to that question is 15/2. Take a look at this proof

5x + 3x = 5x + 15/2

5x + 15/2 = 5x + 15/2 True.

Hence, 3