Q. 5. Find value of x and y if 2x + 3y = 19 and 3x + 2y = 16.
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Answer:
y=5
Step-by-step explanation:
2x+3y=19. ----> 1
3x+2y=16. ----->2
Multiply equation 1 with 3 then
6x+9y = 57 ------>3
Multiply equation 2 with 2 then
6x+4y = 32 ------>4
now,. from equation 3 and 4
6x+9y = 57
6x+4y = 32. ( changing the sign )
(-) (-). (-)
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5y = 25
y = 5
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