torinowens05 torinowens05

11-12-2020
Mathematics

contestada

What is the value of x in the solution to this system of equations?

3x−6y=45

y=−2x+5

Respuesta :

plluviial plluviial

11-12-2020

3x - 6(-2x+5) = 45 (substitutes y)
3x + 12x - 30 = 45
15x - 30 = 45
15x = 15
x = 1

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