[tex]3x-2y=-2,5x+8y=-60[/tex]
[tex]\begin{bmatrix}5\cdot \frac{-2+2y}{3}+8y=-60\end{bmatrix}[/tex]
Respuesta:
3x-2y= -2...........3x=2y-2,,,,,,,,,,,,,x=2y-2
3
5x+8y= -60........5x= -8y-60.........x=-8y-60
5
hacemos la igualcion.
2y-2 = -8y-60
3 5
5(2y-2)=3(-8y-60)
10y-10= -24y-180
-10+180= -24y-10y
170= -34y
170/-34=y
-5=y
si y= -5
3x-2y= -2
3x-2(-5)= -2
3x+10= -2
3x= -2-10
3x= -12
x= -12/3
x= -4
solucion:
x= -4 y= -5
Explicación paso a paso:
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3x-2y=-2,5x+8y=-60
[tex]3x-2y=-2,5x+8y=-60[/tex]
PASO 1:
[tex]\begin{bmatrix}5\cdot \frac{-2+2y}{3}+8y=-60\end{bmatrix}[/tex]
PASO 2:
[tex]\begin{bmatrix}\frac{-10+34y}{3}=-60\end{bmatrix}[/tex]
PASO 3:
[tex]x=\frac{-2+2\left(-5\right)}{3}[/tex]
PASO 4:
[tex]x=-4[/tex]
SOLUCIÓN:
[tex]x=-4,\:y=-5[/tex]
TuProfesor17
Respuesta:
3x-2y= -2...........3x=2y-2,,,,,,,,,,,,,x=2y-2
3
5x+8y= -60........5x= -8y-60.........x=-8y-60
5
hacemos la igualcion.
2y-2 = -8y-60
3 5
5(2y-2)=3(-8y-60)
10y-10= -24y-180
-10+180= -24y-10y
170= -34y
170/-34=y
-5=y
si y= -5
3x-2y= -2
3x-2(-5)= -2
3x+10= -2
3x= -2-10
3x= -12
x= -12/3
x= -4
solucion:
x= -4 y= -5
Explicación paso a paso: