2(m - 7)
(I don't get it and I need the answer please)

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36