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Anonymous
6x+4 = x+12+4x-6
6x-x-4x = 12-6-4
x = 2
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(9,6)
x=5, y=6 (6x5) + (4x6) 30 + 24=54
In 6x + 4 = 12, x = 4/3
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
3x+42=6x+12 42=6x-3x+12 42=3x+12 42-12=3x 30=3x 10=x