Translate the and equation and then solve the equation: four fifths of a number is 20. determine the numberf

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)

How do you use the elimination method for this question? explain, because i really want to understand!

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.