For the problem 5+6*2+3x-7*3+6x , you would use PEMDAS to find the order of whichparts to do first. PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. So first, you should do the multiplication in this one since theres no parenthesis or exponents. After doing the multiplication, it'd look like 5+12+3x-21+6x. Now you can simply add and subtract to solve the rest. The final answer will be 9x-4.
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