Question

Add the following Algebraic Expression
20a+b-c,a-20b+c and a+b-20c
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Answer 1

Answer:

$(20a+b-c)+(a-20b+c)+(a+b-20c)\\(20a+a+a)+(b+b-20b)+(c-c-20c)\\22a-18b-20c\\or\\2(11a-9b-10c)$

Step-by-step explanation:

insert everything into brackets

open the brackets by collecting the like terms

and the we carry out the respective addition and subtraction to give

22a-18b-10c