5+2x6-3 5+(2x6)-3 5+12-3 17-3 14
x = 0
x equals 8
9
3y = 5xy = x + 23y = 5x3(x + 2) = 5x3x + 6 = 5x3x - 3x + 6 = 5x - 3x6 = 2x6/2 = 2x/23 = xy = x + 2 = 3 + 2 = 5Thus, the solution of the set is (3, 5)Check:
x equals 4
12!
(0, -3)
(3, 5)
12x = x + 3 11x = 3 x = 3/11
x + 3 = 2x 3 = x x cannot be 2
Symmetric Property of Addition