What is 1+2-7\times 9-8 ?

The solution to 1+2-7\times 9-8 is -68

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1+2-7\times 9-8

1 + 2 - 7 \cdot 9 - 8

- 68

Solution steps

1 + 2 - 7 \cdot 9 - 8

Follow the PEMDAS order of operations

Multiply and divide (left to right)

7 \cdot 9 : 63

7 \cdot 9

7 \cdot 9 = 63

= 63

= 1 + 2 - 63 - 8

Add and subtract (left to right)

1 + 2 - 63 - 8 : - 68

1 + 2 - 63 - 8

1 + 2 = 3

= 3 - 63 - 8

3 - 63 = - 60

= - 60 - 8

- 60 - 8 = - 68

= - 68

= - 68

- 1 \times 0 + 0

(7 \times 43 - 28) \times 4 + 86

2 (5) (- 3)^{2}

\frac{2}{3} \cdot 1 + 12

100 - (1 0^{2} + 20) \cdot \frac{100}{4} - 10