Write the like terms of the expression $2 a + 3 b - a$ .

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Solution

Step I : Writing the terms of the expression
A term can be a number, a variable, product of or more variables or product of a number and a variable.
Terms : $2 a, 3 b, - a$
Step II : Writing the like terms of the expression
Like terms are those which have same algebraic expression.
Like terms : $2 a, - a$
Hence, the like terms are $2 a$ and $- a$ .

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