What is 18+2(5-9)-3(10-7) ?

The solution to 18+2(5-9)-3(10-7) is 1

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18+2(5-9)-3(10-7)

18 + 2 (5 - 9) - 3 (10 - 7)

1

Solution steps

18 + 2 (5 - 9) - 3 (10 - 7)

Follow the PEMDAS order of operations

Calculate within parentheses

(5 - 9) : - 4

= 18 + 2 (- 4) - 3 (10 - 7)

Calculate within parentheses

(10 - 7) : 3

= 18 + 2 (- 4) - 3 \cdot 3

Multiply and divide (left to right)

2 (- 4) : - 8

= 18 - 8 - 3 \cdot 3

Multiply and divide (left to right)

3 \cdot 3 : 9

= 18 - 8 - 9

Add and subtract (left to right)

18 - 8 - 9 : 1

= 1

(2 + 4^{2})^{2}

7^{2} \cdot 4^{2}

4 + 5 - 2 (- 4) + 2 (2) + 1

- 16 + (- 6 - 8)

\frac{4}{3} (8) (6)^{2} \div 9