7 1/7-(6/13+x)=1 7/13

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вопрос

To solve for x, first distribute the negative sign to the parentheses:

7 1/7 - (6/13) - x = 1 7/13

Next, convert the mixed numbers to improper fractions:

50/7 - 6/13 - x = 20/13

To solve for x, we need to combine like terms and isolate x. First, find a common denominator for 7 and 13, which is 91.

(50/7 13/13) - (6/13 7/7) - x = 20/13

650/91 - 42/91 - x = 20/13

Now, combine the fractions on the left side of the equation:

608/91 - x = 20/13

To isolate x, subtract 608/91 from both sides:

To add or subtract fractions, the denominators must be the same. Find a common denominator for 13 and 91, which is 91:

Combine the fractions:

Therefore, x = -468/91.