Question

Calcule: {x+y=35
{0,25+0,50y=12

Answer 1

Usar sistema para resolver o problema

0,25+0,50y=12

0,50y=11,75

y=11,75/0,50 = 23,50

x+y= 35

x+ 23,50= 35

x =35 - 23,50 = 11,50

x= 11,50

y= 23,50