logicallifecoach logicallifecoach
  • 16-04-2021
  • Mathematics
contestada

X=5-y 2x+5y=4 substituted

Respuesta :

davidmedulla5
davidmedulla5 davidmedulla5
  • 16-04-2021

Step-by-step explanation:

put x=5-y into eqn2

2(5-y)+5y=4

10-2y+5y=4

10+3y=4

3y=-6

y=-2

put y=-2 into eqn1

x=5--2

x=7

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