What is 1-4*(-3)+8*(-3) ?

The solution to 1-4*(-3)+8*(-3) is -11

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1-4(-3)+8(-3)

1 - 4 \cdot (- 3) + 8 \cdot (- 3)

- 11

Solution steps

1 - 4 (- 3) + 8 (- 3)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

4 (- 3) : - 12

4 (- 3)

Apply rule

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

4 (- 3) = - 4 \cdot 3 = - 12

= - 12

= 1 - (- 12) + 8 (- 3)

Multiply and divide (left to right)

8 (- 3) : - 24

8 (- 3)

Apply rule

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

8 (- 3) = - 8 \cdot 3 = - 24

= - 24

= 1 - (- 12) - 24

Add and subtract (left to right)

1 - (- 12) - 24 : - 11

1 - (- 12) - 24

Apply rule

- (- a) = + a

- (- 12) = + 12

= 1 + 12 - 24

1 + 12 = 13

= 13 - 24

13 - 24 = - 11

= - 11

= - 11

5 (- 6) + 5 (- 5)

4 + 2 - 3 [1 - 5 (7 - 2^{2} + 6) - 6 - 5^{2} + 3 (6 - 9) - 12]

\frac{108}{12}

(2 + 2) \frac{2}{8}

\frac{36}{3}