Question

qual o valor de x quando y valor igual a 3: a)x=y+3 e b)2x+2y=x+4y+1 pfv rapido

Answer 1

y=3
a)x=3+3
x=6
b)2x+2.y=x+4.y+1
1x-2y=1
x-6=1
x=6+1
x=7