Resolva as equaçoes
a)4x+9=x-6
b)5x-3+2x=x+3x
c)2x+4-x=2(x+1)
d)5(3x+2)=4-4x-10
Soluções para a tarefa
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a) 4x+9=x-6
4x-x=-6-9
3x=-15
x=-15/3
x=-5
b) 5x-3+2x=x+3x
7x-4x=3
3x=3
x=3/3
x=1
c) 2x+4-x=2+2
x-2x=-4+2
-x=-2.(-1)
x=2
4x-x=-6-9
3x=-15
x=-15/3
x=-5
b) 5x-3+2x=x+3x
7x-4x=3
3x=3
x=3/3
x=1
c) 2x+4-x=2+2
x-2x=-4+2
-x=-2.(-1)
x=2
janayracarvalho:
d) 15x+10=4-4x-10 15x+4x=-10-10+4 19x=-16 x=-16/19
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