impastatocarlie
impastatocarlie impastatocarlie
  • 18-05-2018
  • Mathematics
contestada

uss addition or substitution to find the value of 'x' for this set of equations
y=x-2
7y-4x=10

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Skøll1922
Skøll1922 Skøll1922
  • 18-05-2018
If y=x-2 we can write
7(x-2)-4x=10
so:
14x-14-4x=10
14x-4x=10+14
10x=24
x=24/10
x=12/5

Hope this helped!
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