How do i solve this problem 3y-6+7y-4y

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?