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1/4(20−4a)=6−asolve for a
1/4(20−4a)=6−a
solve for a
1/4(20-4a)=6-a (distribute 1/4)5-a=6-a (subtract 5 to both sides)-a=1-a (add "a" to both sides)0=1When this happens where the equation is not true, it means that a=no solution because there would be no "a" value that you could plug in to make the equation true....
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