Question

How to do subtraction in algebra.​

Answer 1

Subtraction of algebraic expressions are explained in each steps:

Steps I: Arrange the terms of the given expressions in the same order.

Steps II: Write the given expressions in two rows in such a way that the like terms occur one below the other, keeping the expression to be subtracted in the second row.

Steps III: Change the sign of each term in the lower row from + to - and from - to +.

Steps IV: With new signs of the terms of lower row, add column wise. 

6a  - 3b +   c 

+ 4a + 5b - 3c 

(-)   (-)   (+) 

_____________

  2a  - 8b  + 4c 

____________

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