Question

qual o valor da equaçao 1x + 3y = 43

Answer 1

1x+3y=43 (43-3y) 1x+3.3=43
1. (43-3y)+3y=43 1x+9=43
43-3y=43 1x=43-9
3y=43-43 1x=34
y=3 ×=34
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1
×=34

Confirmar

1.34+3.3=43
34+9=43