theabbytabbylaffytaf theabbytabbylaffytaf
  • 28-10-2021
  • Mathematics
contestada

Can someone please? I don’t really understand how to do this with different variables

Can someone please I dont really understand how to do this with different variables class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 28-10-2021

Answer:

Step-by-step explanation:

∠1 = ∠2 = 70    {Corresponding angles}

2x +2 y = ∠1

2x + 2y = 70 --------------(I)

2x + y = ∠2

2x +y =  70 --------------(II)

Subtract equation (II) from (I)

(I)    2x + 2y = 70

(II)   2x  + y =  70

     -       -      -     {subtract}

               y  = 0

Plugin y= 0  in equation(I)

2x + 0 = 70

2x = 70

x = 70/2

x = 35

x = 35 ;  y = 0

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