Question

Resolva a questao sistema linear( 2x+3y=35 3x+5y=57)? me ajudem por favor desde agradeço

Answer 1

2x+3y=35 -> 2x=35-3y
x=35-3y/2
3x+5y=57
3.(35-3y/2)+5y=57
105/2-9y/2+5y=57
-9y/2+5y*2/1*2=57*2/1*2-105/2
-9y/2+10y/2=114/2-105/2
y/2=9/2
y=9

2x+3.9=35
2x=35-27
x=8/2
x=4