Please help! Thank you in advance!! An equation is modeled below. What is the value of x that makes the equation true?

For the equations below which statement is true ? -2x=14 6x=-42

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)