3x - 6 = 4
Add 6 to each side :
3x = 10
Divide each side by 3 :
x = 10/3 = 3-1/3
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3x + 4 = 5x - 6 -3x -3x 4 = 2x - 6 +6 +6 10 = 2x 5 = x
So -3x - 6 = x - 4, ie -2 = 4x so x = -½ and y = -4½
3x = x + 4 x = 2 3x2=6 2+4=6
-3x -4=2 add four to both sides -3x=6 divide by (-)3 on both sides x= -2 to check: -2(-3) -4=2 6-4=2 It checks.
x=6