Divide both sides by three so you are left with x=7/3.
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4x+7-3x = 15 4x-3x = 15-7 x = 8
x - 7 - 9 = -3x - 16 = -3x = 13
3x=96-75 3x=21 x=7
3x plus 10x - 7With out knowing what ' x ' actually is.. it will reduce down to.3x + 10 x - 7=13x - 7
3x-1 = 7 3x = 8X= 8/3 = 2+2/3