How do I find a simple explanation for the answer to 2x+7-x+3 (x-7) - 3x-4-2 (x-3)

-x - 2 is required answer

steps. are

firstly multiply by 3 to the x-7 and by - 2 to the x-3.

after multiplying combine or take all like term one side and another like terms mean which are in x and which are is not in x. separate and solve ...

answer is - x-12