What is (5(15)-3)/(15+3) ?

The solution to (5(15)-3)/(15+3) is 4

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(5(15)-3)/(15+3)

\frac{5 ( 15 ) - 3}{15 + 3}

4

Solution steps

\frac{5 ( 15 ) - 3}{15 + 3}

Solve

5 (15) - 3 : 72

Follow the PEMDAS order of operations

Multiply and divide (left to right)

5 (15) : 75

5 (15)

Apply rule:

(a) = a

(15) = 15

= 5 \cdot 15

Multiply the numbers:

5 \cdot 15 = 75

= 75

= 75 - 3

Add and subtract (left to right)

75 - 3 : 72

75 - 3

75 - 3 = 72

= 72

= 72

Solve

15 + 3 : 18

15 + 3 = 18

= 18

= \frac{72}{18}

Divide the numbers:

\frac{72}{18} = 4

= 4

- 5 + (- 7) - (- 4) + 1

6 - (5 - 12)

\times 2 + 2 \times (- 15)

10 - (\frac{3}{4} + \frac{2}{8})

(- 6 + 4) - 4 + (3 - (8 + 9 - 2))