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Jaqueanderline
@Jaqueanderline
December 2019
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9+3x=+x-9??? 2x+6+x=-12
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richardgoncalvow4uyt
Verified answer
Basta isolar o x em ambas:
a) 9+3x = x -9
2x = -18
x = -9
b) 2x+6+x = -12
3x = -18
x = -6
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Nannda0
Verified answer
9+3x=x-9
3x-x=-9-9
2x=-18
x=-18/2
x=-9
2x+6+x=-12
2x+x=-12-6
3x=-18
x=-18/3
x=-6
0 votes
Thanks 0
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Verified answer
Basta isolar o x em ambas:a) 9+3x = x -9
2x = -18
x = -9
b) 2x+6+x = -12
3x = -18
x = -6
Verified answer
9+3x=x-93x-x=-9-9
2x=-18
x=-18/2
x=-9
2x+6+x=-12
2x+x=-12-6
3x=-18
x=-18/3
x=-6