slisea141
slisea141
18-01-2018
Mathematics
contestada
What is 2x - 1 < 7 and 5x + 3 < 3.
??
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estephanyp03
estephanyp03
18-01-2018
OK 2x + 1 = 5x/3 ; the key here is to get rid of the fraction by multiplying both sides by 3 6x + 3 = 5x ; now subtract 6x from both side 3 = -x -3 = x Proof 2(-3) + 1 = 5(-3)/3 ?? -6 + 1 = -5?? -5 = -5
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