Larry is solving this system of equations: y=2x-3
3x-y=4
He used the following steps to solve the system:
2x+y=-3
3x-y=4
5x=1
x=1/5
y=-17/5
He made a mistake. Find the mistake and explain what he did wrong.

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

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?