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
Like,
2a+3a=5a
so, 3root 5 + 4 root 5=7 root 5
sorry since i can't find the sign of root, i wrote
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Addition and subtraction are reverse operations.
Addition is the inverse operation to subtraction.
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.