Determine X
a)16x-1=12x+3
b)3x-2=4x+9
c)5x-3+x=2x+9
d)17x-7x=x+18
e)x+x-4=17-2x+1
f)x+2+3-5x=4x-9
g)5x+6-16=3x+2-4
h)5x+4=3x-2x+4
Respostas
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a)16x-1=12x+3
16x-12x=3+1
4x=4
x=4/4
x=1
b)3x-2=4x+9
-2-9=4x-3x
-11=x
-11/1=x
x=-11
c)5x-3+x=2x+9
6x-3=2x+9
6x-2x=9+3
4x=12
x=12/4
x=3
d)17x-7x=x+18
10x-x=18
9x=18
x=18/9
x=2
e)x+x-4=17-2x+1
2x-4=18-2x
2x+2x=18+4
4x=22
x=22/4
x=5,5
f)x+2+3-5x=4x-9
-4x+5=4x-9
5+9=4x+4x
14=8x
14/8=x
x=1,75
g)5x+6-16=3x+2-4
5x-10=3x-2
5x-3x=-2+10
2x=8
x=8/2
x=4
h)5x+4=3x-2x+4
5x+4=x+4
5x-x=4-4
4x=0
x=0/4
x=0
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