Question

Proszę rozwiązanie równania
[tex]44=40+(\frac{x}{2}-40) *10 /25[/tex]

Answer 1

[tex]44=40+(\frac{x}{2}-40)\cdot\frac{10}{25}\\\\44=40+(\frac{x}{2}-40)\cdot\frac{2}{5}\\\\44=40+\frac{x}{\not2_{1}}\cdot\frac{\not2^1}{5}-\not40^8\cdot\frac{2}{\not5_{1}}\\\\44=40+\frac{1}{5}x-16\\\\44=24+\frac{1}{5}x\ \ |\cdot5\\\\5\cdot44=5\cdot24+\not5^1\cdot\frac{1}{\not5_{1}}x\\\\220=120+x\\\\-x=120-220\\\\-x=-100\ \ |\cdot(-1)\\\\x=100[/tex]