Question

1)Решите 4х-4=-х+5
2)$frac{x-8}{3,6} = frac{5}{2,4}$

Answer 1

$4x-4=-x+5 \ 4x+x=5+4 \ 5x=9 \ x=1.8$

$frac{x-8}{3,6} = frac{5}{2,4} \ 2.4(x-8)=5cdot3.6 \ 2(x-8)=15 \ 2x-16=15 \ 2x=31 \ x=15.5$