August 2018 2 43 Report

Resolver y comprobar cada una de las ecuaciones:

a) 3x-2(x+3)=x-3(x+1)

b) 4+x-4(1-x)+5(2+x)=0

c) 2x+7-2(x-1)=3(x+3)

d) 4(2x-7)-3(3x+1)=2-(7x)


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