Hot Student Stories
top-5-grammar-and-spelling-checkers-to-rock-in-2019

Solve 7x − 2y = −3 14x + y = 14

Rodney Fox

in Mathematics

follow
followin
1 answer
6 views

1 answer


Donald Ward on July 19, 2018

7x - 2y = -3 14x + y = 14-14x-14x + y = 14-14x Y = 14 - 14x 7x -2y = -37x - 2(14 - 14x) = -37x -28 + 28x = -3 7x + 28x - 28 = -3 35x - 28 = -3 35x - 28 + 28 = -3 + 2835x = 2535x/35 = 25/35 X = 25/35 = 5/7. Y = 14 - 14x Y = 14 - 14(5/7) Y = 14 - 10 Y = 4. The solution Q(5/7,4).


Add you answer