Question

find the X value if two 2 whole power x minus 7 x 5 whole power x minus 4 equal to 1250​

Answer 1

Answer:

it implies 2^{(x-7)} \times 5^{(x+1)} = 2^{1} \times 5^{4}

/* Compare bothsides exponents of 2 , we get */

x - 7 = 1

x = 1 + 7

x = 8

Therefore.,

\red{ Value \:of \: x } \green { = 8 }

Answer 2

$\begin{gathered}{\Huge{\textsf{\textbf{\underline{\underline{\purple{Answer:}}}}}}}\end{gathered}$

$\implies$2x−7×5x−4=1250

2x−7×5x−4=2×625

2x−7×5x−4=21×54x−7=1

x=8x−4=4

x=8