Question

Решите уравнения:

6.7х+3х+63.5=500

 

(2.1-0.7х):0.48=3.5

Answer 1

6.7х+3х+63.5=500

9.7х=436.5

х=45

 

 

 

Answer 2

1)9.7х= 436.5
   х=45

2)2.1-0.7х=1.68
   -0.7х = -0.42
х=0.6