What is (6x-7)/4-(-7x-9)/4 ?

The solution to (6x-7)/4-(-7x-9)/4 is (13x+2)/4

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simplify (6x-7)/4-(-7x-9)/4

simplify

\frac{6 x - 7}{4} - \frac{- 7 x - 9}{4}

\frac{13 x + 2}{4}

Solution steps

\frac{6 x - 7}{4} - \frac{- 7 x - 9}{4}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{6 x - 7 - ( - 7 x - 9 )}{4}

Simplify

6 x - 7 - (- 7 x - 9) : 13 x + 2

= \frac{13 x + 2}{4}

+ 2 - 1

x (2 a + b + c) - 2 a - b - c

(12 - i) + (- 1 - 8 i)

\frac{13}{5 - i}