Question

Find xand y by substitution or elimination methods of 2x+3x=0,3x+4y=5

Answer 1

Answer: -10

Step-by-step explanation:

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Answer:

x=15 and y =-10

Step-by-step explanation:

Given :

         

To find : solve this by substitution method and elimination method

Solution:

Substitution method :

---A

----B

Substitute the value of x from A in B

Substitute the value of y in A

So, x=15 and y =-10

Elimination method:

---A

----B

Multiply A with 3 and B with 2

---C

----D

Subtract C from D

Substitute the value of y in A

So, x=15 and y =-10