Simplify 3^x+3^x+1/3^x+1-3^x
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Step-by-step explanation:
3^x+3^x+1/3^x+1/3^x
= (3+3)^x + (1/3 +1/3)^x
= 6^x + (1+1/3)^x
= 6^x + 2/3^x
= (6 + 2/3)^x
= (3×6 + 2×1/3)^x
= (18 + 2/3)^x
= (20/3)^x
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