Question

What is the solution to the equation 3(2x + 5) = 3x + 4x? a x = 4 b x = 5 c x = 15 d x = 0

Answer 1

x= 15 so the c) is right

Explanation:

We can do it like:

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

or 6x + 15 = 7x

-6x+ 6x +15 = -6x+ 7x

or 15 = x

The solution is 15

Hope you understand it.