Kattay
Kattay Kattay
  • 16-06-2016
  • Mathematics
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PLEASE help with these math questions

PLEASE help with these math questions class=
PLEASE help with these math questions class=
PLEASE help with these math questions class=
PLEASE help with these math questions class=
PLEASE help with these math questions class=

Respuesta :

Nainai16 Nainai16
  • 16-06-2016

1. D, solve for the first variable in one of the equations, then substitute the result into the second equation.

2. A . same way as number 1

3. C ( SOLVE BY SUBSTITUTION)

4. D

5.C

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