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8X + 4 = 3X + 8
subtract 3X from both sides of equation
5X + 4 = 8
subtract 4 from both sides equation
5X = 4
divide both sides integers by 5
X = 4/5
-------------------check in original equation
8(4/5) + 4 = 3(4/5) + 8
32/5 + 4 = 12/5 + 8
now, 4 = 20/5 and 8 = 40/5, so
32/5 + 20/5 = 12/5 + 40/5
52/5 = 52/5
------------------------checks and equation is true
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