brainbuster87
brainbuster87 brainbuster87
  • 24-07-2017
  • Mathematics
contestada

x+2(x+y)=7
3(x-y)=1-2y

What is x&y????



Please answer asap!!!!

Respuesta :

jkminecrafter40
jkminecrafter40 jkminecrafter40
  • 14-11-2017
x= -x over 2 (negative x as a fraction and 2 is the denominator) minus y+ (seven as the numerator over 2 as the denominator).
Solve for y by simplify both sides with inverse operations, then isolate the variable and you get,  y = 3x - 1.
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