isabel6195 isabel6195

28-12-2019
Mathematics

contestada

-3x+7y=5x+2y
Complete the missing value in the solution to the equation.
(-5, __ )

Respuesta :

Leora03 Leora03

30-12-2019

Answer:

-8

Step-by-step explanation:

Bring all the x to one side and all the y to the other side. Substitute the value of x into the equation then solve for y.

-3x+ 7y= 5x+ 2y

7y- 2y= 5x+ 3x

5y= 8x

when x= -5,

5y= -5(8)= -40

y= -40÷ 5= -8

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