The solution to -7+8/5+7/5 is -4

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-7+8/5+7/5

Solution

- 7 + \frac{8}{5} + \frac{7}{5}

- 4

Solution steps

- 7 + \frac{8}{5} + \frac{7}{5}

Follow the PEMDAS order of operations

Add and subtract (left to right)

- 7 + \frac{8}{5} = - \frac{27}{5}

= - \frac{27}{5} + \frac{7}{5}

- \frac{27}{5} + \frac{7}{5} = - 4

- \frac{27}{5} + \frac{7}{5}

Apply rule

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

= \frac{- 27 + 7}{5}

Add/Subtract the numbers:

- 27 + 7 = - 20

= \frac{- 20}{5}

Apply the fraction rule:

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

= - \frac{20}{5}

Divide the numbers:

\frac{20}{5} = 4

= - 4

= - 4

3^{2} + 5 \times 21 - 256 \div 16 - 35

\frac{5 ( - 1 ) + 2}{- 1}

3 \times 4 \div 5

4 \cdot 2^{10}

25 - 20 \div 5 \times 2