Question

7 la puterea X+ 7 la puterea X+1=2 la puterea 3x7 la puterea 2016 Rapid

Answer 1

Răspuns:

${7}^{x} + {7}^{x + 1} = {2}^{3} \times {7}^{2016}$

${7}^{x} \times (1 + 7) = 8 \times {7}^{2016}$

$8 \times {7}^{x} = 8 \times {7}^{2016}$

${7}^{x} = {7}^{2016}$

$x = 2016$

sper ca te am ajutat :)