17-12-2019
Mathematics

contestada

if
Y=2x+5 and Y=1/2x-1
what is the solution?

Respuesta :

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17-12-2019

2x + 5 = 0.5x - 1

(Multiplying by 2 cause I hate fractions/decimals)

4x + 10 = x - 2

3x + 10 = -2

3x = -12

x = -4

Y = 2x + 5

Y = 2(-4) + 5

Y = -8 + 5

Y = -3

Y = 0.5x - 1

Y = 0.5(-4) - 1

Y = -2 - 1

Y = -3

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