[tex]20x + 8 = 12 \\ 20x = 12 - 8 \\ 20x = 4 \\ x = \frac{4}{20} = \frac{1}{5} [/tex]
ʙ-20x+8=12
b=12+20x-8
b=4+20x
b=4+20x, x€ |R
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[tex]20x + 8 = 12 \\ 20x = 12 - 8 \\ 20x = 4 \\ x = \frac{4}{20} = \frac{1}{5} [/tex]
ʙ-20x+8=12
b=12+20x-8
b=4+20x
b=4+20x, x€ |R
Saludo Ricardo