Question

(х+3х+3,25+х):3=12,25
решите уравнение

Answer 1

$(x+3x+3.25+x):3=12,25$

$x+3x+3.25+x=12,25times 3$

$5x+3.25=36.75$

$5x=36.75-3.25$

$5x=33.5$

$x=frac{33.5}{5}=6.7$