Question

solve the following questions

x÷3+1=7÷15.
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Answer 1

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$\frac{x}{3} + 1 = \frac{7}{15} \\ \\ \frac{x + 3}{3} = \frac{7}{15} \\ \\ x + 3 = \frac{7}{5} \\ \\ 5x + 15 = 7 \\ \\ 5x = 7 - 15 \\ \\ 5x = - 8 \\ \\ x = \frac{ - 8}{5} \\ \\ x = - 1.6$

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Answer 2

x/3+1=7/15

x/3=7/15-1

x/3=7-5/5

(on taking LCM)

x/3=-8/15

x=-8/15×3=-8/5