Question

Решить 8х-0,1(х+2)=3х

Answer 1

$8x-0.1(x+2)=3x$

$8x-0.1*x+0.1*2=3x$

$8x-0.1*x-3x+0.1*2=3x-3x$

$8*x-0.1*x-3*x+0.1*2-0.1*2=0-0.1*2$

$(8-0.1-3)*x=-0.1*2$

$(4.9)*x=-0.2$

$frac{49x}{10}=- frac{2}{10}$

$49x=-2$

$x=- frac{2}{49}$