RESOLVER LA SIGUIENTE ECUACIÓN DE PRIMER GRADO CON 2 INCÓGNITAS:
{4x + 3y = 18
{5x - 6y = 3
{4x + 3y = 18
{5x - 6y = 3
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Verified answer
Acordare siempre de:
Tenemos.
1- 4x + 3y = 18
2- 5x - 6y = 3
Multiplicamos 1 por 2
(4x + 3y = 18) * 2
8x + 6y = 36 La sumamos con 2
+ 5x - 6y = 3
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13x = 39
x = 39/13
x = 3 Reemplazamos este valor en 1
4x + 3y = 18
4*3 + 3y = 18
12 + 3y = 18
3y = 18 - 12
3y = 6
y = 6/3
y = 2
Respuesta.
x = 3
y = 2