What is (-30(-7))-(210(-3)) ?

The solution to (-30(-7))-(210(-3)) is 840

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(-30(-7))-(210(-3))

(- 30 (- 7)) - (210 (- 3))

840

Solution steps

(- 30 (- 7)) - (210 (- 3))

Follow the PEMDAS order of operations

Calculate within parentheses

(- 30 (- 7)) : 210

= 210 - (210 (- 3))

Calculate within parentheses

(210 (- 3)) : - 630

= 210 - (- 630)

Add and subtract (left to right)

210 - (- 630) : 840

= 840

- 6 - (- 6) + 7 + (- 4) + (- 1)

\frac{80}{16}

14 + \frac{18}{2} \cdot 18 - 7

0.85

192 \cdot 4