Question

resolva as equações

a) 3(2x+2)=2(x-4)-20

b)6(7-X)=x+14

c)4(2X-3)=3(x+1)

d)5(x-3)=2)(+3

e)3(X4) =-1-1(3x-1)
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Answer 1

Resposta:

a)7x-28=2x-3/7x-2x=28-3/5x=25/x=25/5/x=5

b)7x-14=5x+15/7x-5x=15+14/2x=29/x=29/2 /x=14,5

c)5x+8=48-8x/5x+8x=48-9/13x=39/x=39/13/x=3

d)6-4=3x-12+15/3x+3=2/3x=2-3/x=-1/3

e)x-3-x+2+2x-2-5=0/2x-8=0/2x=8/x=8/2/x=4