fionnobrien fionnobrien
  • 09-06-2021
  • Mathematics
contestada

Solve the simultaneous equations
2x+4y=1
3x-5y=7

Respuesta :

agentsecret991
agentsecret991 agentsecret991
  • 09-06-2021

Answer:

Step-by-step explanation:

Step 1: Add -4y to both sides.

2x+4y+−4y=1+−4y

2x=−4y+1

Step 2: Divide both sides by 2.

2x

2

=

−4y+1

2

x=−2y+

1

2

Step 1: Add 5y to both sides.

3x−5y+5y=7+5y

3x=5y+7

Step 2: Divide both sides by 3.

3x

3

=

5y+7

3

x=

5

3

y+

7

3

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