Express simplest form
(-2u-9x-1)+(-3u+x)

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a