Question

2x + 21 = 5x. What is the first step in finding the value of x?

Answer 1

Answer: The first step would be combine like terms, rather -2x on both sides so that you do not end up with a negative. Then divide by 3 on both side after that, the 3 on the right cancel each other out then your left with 7 = x

Explanation:

Answer 2

x=7

Explanation:

isolate the variables by dividing each side by factors that dont contain the variable x=7