Question

12×4^x-5×4^x=7×2⁵⁰
$pls \: rpd$
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Answer 1

Explicație pas cu pas:

$12 \times {4}^{x} - 12 \times {4}^{x} = 7 \times {2}^{50}$

${4}^{x} \times (12 - 5) = 7 \times {2}^{50}$

${( {2}^{2} )}^{x} \times 7 = 7 \times {2}^{50} \ \ \Big| : 7$

${2}^{2x} = {2}^{50}$

$2x = 50 \implies x = 25$