a)x+6=10
b)x-7=9
c)2x-8=10
d)3x+2=6x
e)2+3x=6
f)2x-6=10
g)3x-5=4
h)5x-7=8
i)6x=-2(x+6)
j)2(x+3)=6-2
b)x-7=9
c)2x-8=10
d)3x+2=6x
e)2+3x=6
f)2x-6=10
g)3x-5=4
h)5x-7=8
i)6x=-2(x+6)
j)2(x+3)=6-2
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Resposta:
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Explicação passo-a-passo:
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x=10-6
x=4
b)x-7=9
x=9+7
x=16
c)2x-8=10
2x=10+8
2x=18
x=18/2
x=9
d)3x+2=6x
6x-3x=2
3x=2
x=2/3
x=0,6
e)2+3x=6
3x=6-2
3x=5
x=5/3
x=1,6
f)2x-6=10
2x=10+6
2x=16
x=16/2
x=8
g)3x-5=4
3x=4+5
3x=9
x=9/3
x=3
h)5x-7=8
5x=8+7
5x=15
x=15/5
x=3
i)6x=-2(x+6)
6x=-2x-12
6x+2x=-12
8x=-12
x=-12/8
x=-1,5
j)2(x+3)=6-2
2x+6=6-2
2x=6-2-6
2x=-2
x=-2/2
x=-1