Math, asked by yashbhatnagar2007, 5 months ago

solve the following expression 84 + 4 = 3 ( x-1) +7

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Answered by Anonymous

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$84 + 4 = 3(x - 1) + 7 \\ 88 = 3x - 3 + 7 \\ 88 = 3x + 4 \\ 88 - 4 = 3x \\ 84 = 3x \\ x = \frac{84}{3} \\ x = 28$

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