2x-3 = 17 2x = 17+3 2x = 20 x = 10
2x + 5 = 13 2x = 8 2x/2 = 8/2 x=4
2x + y = 5 so y = 5 - 2x; This gives x - 3(5 - 2x) = 13 ie x + 6x = 13 + 15 so x = 4 and y must be -3
x2 - 2x - 13 = 0 x2 - 2x + 1 = 14 (x - 1)2 = 14 x - 1 = ±√14 x = 1 ±√14 x ≈ {4.742, -2.742}
2x + 9 = -17 2x = -26 x = -13
2x-17=13 2x=30 x=15
Here is the answer with Steps: 15x - 18 = -2x - 5 15x = -2x + 13 17x = 13 x = 13/17 x ~ .764705882
-17-2x=6-x -23=x
2x-3 = 17 2x = 17+3 2x = 20 x = 10
x-29 = 13+2x x-2x = 13+29 -x = 42 x = -42
-9-2x+x = -13 -2x+x = -13+9 -x = -4 x = 4
If: -2x+5 = -17 Then: x = 11
2x + 5 = 13 2x = 8 2x/2 = 8/2 x=4
2x-3y=13
2x + 1 = 13; 2x = 12; x = 6
2x+3y=13 3x-y=3 x=2
2x+17 = 4x-3 2x-4x = -3-17 -2x = -20 Answer: x =10