Resposta:
2x-x=1+5
x=6
l)2x-x=4-3
x=1
m)5x-4x=10-7
x=3
n)4x-2x=2+10
2x=12
x=12/2
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Resposta:
2x-x=1+5
x=6
l)2x-x=4-3
x=1
m)5x-4x=10-7
x=3
n)4x-2x=2+10
2x=12
x=12/2
x=6