The solution to 7(1)-2(-3) is 13

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7(1)-2(-3)

Solution

7 (1) - 2 (- 3)

13

Solution steps

7 (1) - 2 (- 3)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

7 (1) : 7

7 (1)

Apply rule:

(a) = a

(1) = 1

= 7 \cdot 1

Multiply the numbers:

7 \cdot 1 = 7

= 7

= 7 - 2 (- 3)

Multiply and divide (left to right)

2 (- 3) : - 6

2 (- 3)

Apply rule

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

2 (- 3) = - 2 \cdot 3 = - 6

= - 6

= 7 - (- 6)

Add and subtract (left to right)

7 - (- 6) : 13

7 - (- 6)

Apply rule

- (- a) = + a

- (- 6) = + 6

= 7 + 6

7 + 6 = 13

= 13

= 13

\frac{2 ( 0 ) ( 0 )}{( 0 ) ^{2} + 2 ( 0 ) ^{2}}

- (- 1)^{2} + 2 \times 2^{2} - 4

(2)^{2} - 6 (2) + 3

180 - 76 - 34

- 3 (6)^{2}