Jack bought a desk for 533.00 on sale for 70% off how much is she regularly price for desk

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Three times the sum of a number and seven is negative thirty-six. what is the number?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is