Question

43.2(11/18x-7/8)-25.5(9/17x-2/3)=59.5

Answer 1

$43,2cdot(frac{11}{18}x-frac{7}{8})-25,5cdot(frac{9}{17}x-frac{2}{3})=59,5$

 

$43,2cdot(frac{11x}{18}-frac{7}{8})-25,5cdot(frac{9x}{17}-frac{2}{3})=59,5$

 

$26,4x-37,8-13,5x+17=59,5$

 

$12,9x-20,8=59,5$

 

$12,9x=59,5+20,8$

 

$12,9x=80,3$

 

$x=80,3:12,9=80frac{3}{10}:12frac{9}{10}=frac{803}{10}:frac{129}{10}=frac{803}{10}cdotfrac{10}{129}=frac{803}{129}=6frac{29}{129}$