elis77 elis77
  • 01-12-2020
  • Mathematics
contestada

El producto de 3 y un número, disminuido en 28 es 89. Cuál es el número?

Respuesta :

51894
51894 51894
  • 01-12-2020

supone que este número es sustituido por la letra m

(3xm) -28 = 89

tenemos que sumar 28 en los dos lados

3xm = 117

para saber que numero es m tenemos que dividir por 3 los dos lados

m = 117/3

m = 39

Answer Link

Otras preguntas

Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
what is the sum of 7/10 and 6/100
what is the sum of 7/10 and 6/100
which trinomial is equivalent to (3x-1)(x+4)
what is the sum of 7/10 and 6/100
which trinomial is equivalent to (3x-1)(x+4)
Explain what is the same about two fractions that are like fractions
Explain what is the same about two fractions that are like fractions
Explain what is the same about two fractions that are like fractions