Question

реши уровнения.
на фото​

Answer 1

$\frac{x+26,8}{2,61}$  = $4\frac{1}{25}$ × 3 +2,88

$\frac{x+26,8}{2,61}$ = $\frac{303}{25}$ + $2\frac{88}{100}$

$\frac{x+26,8}{2,61}$ = $2\frac{1300}{100}$

$\frac{x+26,8}{2,61}$ = $\frac{1500}{100}$

2,61×1500=100×(x+26,8)

3915=100x+2680

-100x=2680-3915

-100x=-1235

x=12,35