8x - 9 = 11x + 12
8x = 11x + 21
-3x = 21
x = -7
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I'll do ya one better - 12 plus 8 equals what?
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5
Solving these simultaneous equations by the elimination method:- x = 1/8 and y = 23/12
-5x + 13 = -12 -5x = -12 - 13 = -25 x = -25/-5 = 5
-6y + 5 = -67y=12-6y = -72-y = -12y = 12