Respuesta:
a) 4x=8
x=2
b) 8x-4=28
8x=32
x=4
c) 9x-7
d) 2x +10=16
2x=6
x=3
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Respuesta:
a) 4x=8
x=2
b) 8x-4=28
8x=32
x=4
c) 9x-7
d) 2x +10=16
2x=6
x=3