Question

Find the value of x which makes the expressions 10(3x + 12) and 3(9x + 50) equal to each other.

Answer 1

We have to find the value of x which makes the two expressions equal:
10(3x + 12) = 3(9x + 50)
⇒ 30x - 27x = 150 - 120
⇒  3x = 30
⇒ x = 10.