Question

resolva
a) 5(1-x)-2x+1= -3(2+x)
b)20x-4=5x
c)4(x+10)-2(x-5)=0
d)2x+5/3=1/4
e)3(x-1)-2x=5(x-3)
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5 6
f)1-2x=x/3-x/2

Answer 1

a) 5-5x-2x+1= -6-6x

5x-2x+6x=-6-5-1

9x= -12 (.-1)

x=12/9 simplifica por 3

x=4/3