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09-07-2020
Mathematics

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Working out simultaneous equations.

Working out simultaneous equations class=

Respuesta :

09pqr4sT 09pqr4sT

09-07-2020

Answer:

x = 6/5

y = 8/5

Step-by-step explanation:

3x - y = 2

2x + y = 4

Add the equations, cancelling y.

5x = 6

x = 6/5

Put x as 6/5 in the second equation and solve for y.

2(6/5) + y = 4

12/5 + y = 4

y = 4 - 12/5

y = 8/5

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