Answers

2016-07-01T22:22:57+08:00
-2y = 10-4x
y = 2x - 5 and 2x + 3y - 6 = 0

Are we going to find the value of y and x? It goes this way . . .
2x + 3y - 6 = 0
2x + 3(2x-5) -6 = 0
2x + 6x -15 -6 = 0
8x = 21
x = 21/8

y = 2x - 5
y = 2(21/8) -5
y = 42/8 -5
y = 1/4

Checking:
2(21/8) + 3(1/4) -6 = 0
0 = 0
0