Question

Como resolver: 6 × 7^x-3 = 294 pela forma de exponencial

Answer 1

$6\cdot7^{x-3}=294\\\\ 7^{x-3}= \dfrac{294}{6} \\\\ 7^{x-3}=49\\ 7^{x-3}=7^2\\ \not7^{x-3}=\not7^2\\\\ x-3=2\\ x=2+3\\ x=5\\\\\\ \Large\boxed{\text{S}=\{5\}}$