What is (10-2(-1))/4 ?

The solution to (10-2(-1))/4 is 3

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(10-2(-1))/4

\frac{10 - 2 ( - 1 )}{4}

3

Solution steps

\frac{10 - 2 ( - 1 )}{4}

Solve

10 - 2 (- 1) : 12

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 (- 1) : - 2

2 (- 1)

Apply rule

a \cdot (- b) = - a \cdot b

2 (- 1) = - 2 \cdot 1 = - 2

= - 2

= 10 - (- 2)

Add and subtract (left to right)

10 - (- 2) : 12

10 - (- 2)

Apply rule

- (- a) = + a

- (- 2) = + 2

= 10 + 2

10 + 2 = 12

= 12

= 12

= \frac{12}{4}

Divide the numbers:

\frac{12}{4} = 3

= 3

6 - 3 + 2 - 25 (10 - 12)

3^{2} + 5 \times 3 + 6

72 \div (- 18) \times 4 - (3 - 12) \div 9

(- 19) \times 7 \times (- 5) \times 2

\frac{8 ( 5 - 1 ) + 4}{4 ^{2} - 4}