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Solve the simultaneous equations

Solve The Simultaneous Equations class=

Sagot :

Answer:

x = -4 and y = -1

Step-by-step explanation:

Adding the equations,

4x + 0y = -16

4x = -16

x = -4

Plugging x = -4 into the second equation,

-4 + y = -5

y = -1

Therefore, x = -4 and y = -1

ItzStarzMe

Answer :

  • Value of x is-4
  • Value of y is-1

Explaination :

Here we have been given with two equations and we have to calculate the value of x and y by using elimination method.

  • 3x - y = -11 (Equation No 1)
  • x + y = -5 (Equation No 2)

★ From Equation No 2:-

>> x + y = -5

>> x = -y - 5

★ In Equation No 1:-

Substituting the value of x which we got above as (-y - 5) here.

>> 3x - y = -11

>> 3 (-y - 5) - y = -11

>> 3 × (-y - 5) - y = -11

>> -3y - 15 - y = -11

>> -4y - 15 = -11

>> -4y = 15 - 11

>> -4y = 4

>> y = -4/4

>> y = -1

★ Finding out value of y:-

>> x = -y - 5

>> x = -(-1) - 5

>> x = 1 - 5

>> x = -4 [tex] \: [/tex]

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