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16. Find (x + y) = (x - y) if:a) x= -7 and y = -3/ 7 pls tell by solving​

Answer»

ANSWER:

(x + y) = (x - y)

-364=-322

Step-by-step EXPLANATION:

x = - 7 \\ y = \frac{ - 3}{7} \\ x + y = x - y \\ - 7 + ( \frac{ - 3}{7} ) = - 7 - ( \frac{ - 3}{7} ) \\ - 7 - \frac{ 3}{7 } = - 7 + \frac{3}{7} \\ \frac{ - 7 \times7 - 3 \times 1}{7} = \frac{ - 7 \times 7 \ + 3 \times 1}{7} \\ \frac{ - 49 - 3}{7} = \frac{ - 49 + 3}{7} \\ \frac{ - 52}{7} = \frac{ - 46}{7} \\ - 52 \times 7 = - 46 \times 7 \\ - 364 = - 322

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