the simplest form of 5x + 3y +2x - 6y is 7x-3y
3x + 7y
5x+2x-3y+y = (5+2)x+(-3+1)y = 7x - 2y
3(x+y)
2x + 4y - 5x + 3y = 7y - 3x
5x+3y
5x + (3y-x) + (10-2y) = 5x + 3y - x + 10 -2y = 5x - x + 3y - 2y + 10 = 4x + y +10
-x+3y+6x-6y=5x-3y
The answer is 5x+3y. (5 xs and 3 ys)
9x + 3y + 5z - 5x + 4z - 7y = 4x - 4y + 9z
(2,7)
5x+3y = -2 3y = -5x-2 y = -5/3x-2/3 Slope: -5/3
2x plus 5x simplified is 7x.