middlekennon02 middlekennon02

15-08-2019
Mathematics

contestada

Find the value of y 5x+7x+24=180 and y= 6y+7

Respuesta :

jimrgrant1 jimrgrant1

15-08-2019

Answer:

y = - 1.4

Step-by-step explanation:

In finding y the equation in x is redundant as y can be found from

y = 6y + 7 ( subtract y from both sides )

0 = 5y + 7 ( subtract 7 from both sides )

- 7 = 5y ( divide both sides by 5 )

y = - [tex]\frac{7}{5}[/tex] = - 1.4

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