-2
x = 2
5x+2 = 3x-6 5x-3x = -6-2 2x = -8 x = -4
3x + 16 = 22 3x = 6 x = 6/3 x = 2
-3x + 6 + 15x =11x + 8 ie -3x + 15x - 11x = 8 - 6 ie x = 2
x = 6
x=6
-2
-3x+9y = 6 9y = 3x+6 y = 1/3x+2/3
3x+24+2 = 53 3x = 53 -26 3x = 27 x = 9
y = 3x 3x + 4y = 30 3x + 4(3x) = 30 3x + 12x = 30 15x = 30 x = 2 y = 3x y = 3(2) y = 6 (2, 6)
2x = 4 x = 2 Try it out