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solving problems on exponents and radicals have come seriously to my life didn't knew anything but when solved algebraic way like it was marvellous should just use litte brain and god for sure dont cry if you dont know.Here it goes

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2a+3a=5a

so, 3root 5 + 4 root 5=7 root 5

sorry since i can't find the sign of root, i wrote

Q: Addition and subtraction of radicals

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Addition is the inverse operation to subtraction.

Addition and subtraction are reverse operations.

Subtraction is the addition of a negative number.

Subtraction can be seen as the inverse operation to addition.

You don't. You can check addition with subtraction or subtraction with addition, since subtraction is the opposite of addition. Similary, you can check division with multiplication, or vice versa.

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mathematical order of operations stands for: Parentheses Exponents Radicals Absolute Value Multiplication Division Addition Subtraction

who discovered addition and subtraction.

Addition is the inverse operation to subtraction.

Addition and subtraction are reverse operations.

definiton of addition and subtraction

Addition and subtraction are inverse functions.

Subtraction is the addition of a negative number.

Subtraction can be seen as the inverse operation to addition.

You don't. You can check addition with subtraction or subtraction with addition, since subtraction is the opposite of addition. Similary, you can check division with multiplication, or vice versa.

Addition is a sum and so is subtraction. So there's your answer!

d-a-s division-addition-subtraction

addition Sum is the result of an addition problem. Difference is the result of a subtraction problem.