Struggling with solution sets

Mathematics
Tutor: None Selected Time limit: 1 Day

Find the solution set. Then indicate whether the equation is conditional, an identity or a contradiction.

20(x-1)=-5(4-x)+15x

A. the solution set is____

B. The solution is the set of all real numbers

C. The solution is the empty set

Then decide if its an identity, conditional equation or a contradiction

May 13th, 2015

20(x-1)=-5(4-x)+15x

20X-20=-20+5x+15x

20x-20=20x-20

0=0

The solution is the set of all real numbers

the equation is  an identity

May 13th, 2015

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