Evaluate/Simplify
x = 6, y = -3
x + y
3
8x + 4y
4(2x + y)
3(x - 2)
3x - 6
(2x - 3) + (-x + 4)
x + 1
(-2x - 4) - (2x)
-4x - 4
x = 6, y = -3
x - y
9
2x + 6y
2(x + 3y)
-2(x - 5)
-2x + 10
(-x + 2) + (3x - 5)
2x - 3
(4x - 3) - (2x - 7)
2x + 4
2t + 3t - t
4t
16x - 12
4(4x - 3)
2(4x + 2x)
12x
(4x + 8) + (-7x + 5)
-3x + 13
(7x - 5) - (4x + 4)
3x - 9
7y + 4x - 8 + 3
7y + 4x - 5
10x + 25
5(2x + 5)
7(-3x - 4y)
-21x - 28y
(-8x - 7) + (-5x - 8)
-13x - 15
(-4x + 9) - (3x - 2)
-7x + 11
x + 2x + y + 5x - 3y - x
7x - 2y
39x + 13
13(3x + 1)
-9(6x - 4)
-54x + 36
(x + 5) + (-9x + 3) + (-2x - 1)
-10x + 7
(-6x - 5) - (9x + 8)
-15x - 13