owenvelazquez35 owenvelazquez35

18-02-2021
Mathematics

contestada

y = - 2x + 1
2x - 2y = 4
Solve systems of equations by substitutions

Respuesta :

thebecks thebecks

18-02-2021

Answer:

x= 1

y= -1

Step-by-step explanation:

y=-2x+1

2x-2y=4

substitute for y

2x-2(-2x+1)=4

reduce

2x+4x-2=4

6x=6

x=1

y= -2(1)+1

y= -1

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