Question

igualacion 3×+2y=7 4×-3y=-2​

Answer 1

Respuesta:

x = -2

x = 1

Explicación paso a paso:

X = 7 - 2y / 3

X = -2 + 3y / 4

7 -2y / 3 = -2 +3y / 4

4 ( 7 -2y ) = 3 ( -2 +3y)

28 -8y = -6 +9y

-8y -9y = -6 -28

-17y = 34

y = -2

3x + 2por 2= 7

3x + 4 = 7

3x = 7 - 4

x = 3/3

x=1