Question

Explain in words, how you to find a solution for the following equation. 7 + x = 18

Answer 1

11 is your answer
hope this helps !!

Answer 2

x=11 (read below)

Explanation:

7 + x = 18

Subtract 7 from both sides

x=11

It's quite simple because if you do something to one side of the equation, you need to do it to the other because otherwise the equation won't be equal. This is how you need to simplify most problems, by taking something from one side and taking from the other as well.