6x+5=3x+5
5=9x+5
x=0
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3x + 5 = 6x + 23 -3x = 18 x = -6
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
x = 3/5 and y = 1/5
34x + 72 is the answer to the equation 12 plus 6x-4 5 plus 2 3x-1.
From first equation y = 3x + 5. Substitute this in second equation 2(3x + 5) = 6x + 10 This proves that 6x + 10 = 6x + 10 which is not helpful! I suppose possible solutions would be x = 0, y = 5 or x = 1, y = 8 etc etc Are you sure of your two equations, please?