Simplify 21+36÷(2+7)+7×(-5)
Answers
21+36÷(2+7)+7×(-5)
57÷9-35
57÷ -26
-2.192
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To solve the above question we should use BODMAS.
What is BODMAS?
- Brackets
- Of
- Division
- Multiplication
- Addition
- Subtraction
So whenever we are solving a question we should make sure to go in order of BODMAS.
For the following question, we solve it like this -
21 + 36 ÷ (2 + 7) + 7 × (-5)
First, we solve the brackets.
In the brackets, we have only one operation that is addition so we directly solve the brackets.
⇒ 21 + 36 ÷ (2 + 7) + 7 × (-5)
⇒ 21 + 36 ÷ 9 + 7 × (-5)
Now we will solve division.
⇒ 21 + 36 ÷ 9 + 7 × (-5)
⇒ 21 + 4 + 7 × (-5)
Now we solve multiplication.
⇒ 21 + 4 + 7 × (-5)
⇒ 21 + 4 + (-35)
Now we will use the integer law which is ⇒ (+) (-) = (-)
⇒ 21 + 4 - 35
Now we will solve addition.
⇒ 21 + 4 - 35
⇒ 25 - 35
Now we will solve subtraction.
⇒ 25 - 35
⇒ (-10)
∴ 21 + 36 ÷ (2 + 7) + 7 × (-5) = (-10)