Respuesta :

dana2009salman

Answer:

Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

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Step-by-step explanation:
To answer this problem you would set this up as a function. You know that the line would equal 180 degrees since the line is supplementary

so (x+23)+57=180

then you would solve

(x+23)=180-57

x+23=123

x=123-23

x=100 degrees

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