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Explain addition and subtraction of algebraic equations.
Addition and subtraction in algebraic equations :
To add two or more monomials that are like terms, add the coefficients; keep the variables and exponents on the variables the same.
eg: $2a+3a+5a= (2+3+5)a =10a$
To subtract two or more monomials that are like terms, subtract the coefficients; keep the variables and exponents on the variables the same.
eg: $-8a+5a= -(8-5)a =-(3)a = -3a$
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