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RonaldSilvah
@RonaldSilvah
December 2019
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A) x/3=7
B) x/4=-3
C) 3x/4=30
D) 2x/5=-18
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RogherChristopher
A)x/3=7
passa o 3 multiplicando pro outro membro*
x=3×7
x=21
B) x/4=-3
passa o 4 multiplicando*
x=4×-3
x=-12
C) 3x/4=30
passa o 4 multiplicando*
3x=4×30
3x=120
passa o 3 dividindo*
x=120/3
x=40
D) 2x/5=-18
passa o 5 multiplicando*
2x=-90
passa o 2 dividindo*
x=-90/2
x=-45
deixa um obg pf pra ajudar
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Lista de comentários
passa o 3 multiplicando pro outro membro*
x=3×7
x=21
B) x/4=-3
passa o 4 multiplicando*
x=4×-3
x=-12
C) 3x/4=30
passa o 4 multiplicando*
3x=4×30
3x=120
passa o 3 dividindo*
x=120/3
x=40
D) 2x/5=-18
passa o 5 multiplicando*
2x=-90
passa o 2 dividindo*
x=-90/2
x=-45
deixa um obg pf pra ajudar