write each expression using n as your variable.then simplify fully.
1.five more than the sum of a number and ten.
2.the product of eight and seven less than a number.
3.the quotient of a number and three, increased by one.
4.ten less than the product of six and eight less than a number.
5.the difference of one less than a number and twice the number.
6.a number times its opposite, increased by seven.