Question 358648
A's on the left, every thing else on the right.
Here it is step by step.

{{{14A-93=49-57A}}}
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{{{14A-93+93=49+93-57A}}}
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{{{14A+0=142-57A}}}
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{{{14A+57A=142-57A+57A}}}
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{{{71A=142+0}}}
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{{{71A=142}}}
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{{{(71A)/71=142/71}}}
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{{{(71/71)A=2}}}
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{{{(1)A=2}}}
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{{{highlight(A=2)}}}