atstanle01ASdfghjkl
atstanle01ASdfghjkl atstanle01ASdfghjkl
  • 26-07-2017
  • Mathematics
contestada

how do I do this please help me

how do I do this please help me class=

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marinamata11ot0vbh
marinamata11ot0vbh marinamata11ot0vbh
  • 26-07-2017
it's c 
Solve y=−3x−2;4y=−12x−8Steps:I will solve your system by substitution.y=−3x−2;4y=−12x−8Step: Solvey=−3x−2for y:Step: Substitute−3x−2foryin4y=−12x−8:4y=−12x−84(−3x−2)=−12x−8−12x−8=−12x−8(Simplify both sides of the equation)−12x−8+12x=−12x−8+12x(Add 12x to both sides)−8=−8−8+8=−8+8(Add 8 to both sides)0=0
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