Respuesta:
Es la d. 8
Explicación paso a paso:
.) 4x + 3 = 23
4x = 23 -3
4x = 20
x = 20/4
x = 5
.) 3y + 3 = 12
3y = 12 - 3
3y = 9
y = 9/3
y = 3
x + y = 5 + 3
= 8
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Respuesta:
Es la d. 8
Explicación paso a paso:
.) 4x + 3 = 23
4x = 23 -3
4x = 20
x = 20/4
x = 5
.) 3y + 3 = 12
3y = 12 - 3
3y = 9
y = 9/3
y = 3
x + y = 5 + 3
= 8