Question

y=5x-8 and y=(-6x)+3 by elimination.

Answer 1

Let it be       y=5x-8 - ( equation 1 )

let it be       y=6x+3 - ( equation 2 )

by elimination process  { equation 2 - equation 1 }

 y = 5x-8 (-) y=6x+3

( here in the above subtraction we can directly cancel the y because " {y+(-y)} = 0 "

⇒  5x = 8 (-) 6x = 3  

∴ -x = 11

To know the value of x

⇒ y - 6x = 3

( we know the value of x so we will substitute it in the above step )

⇒ y- 6(-11) = 3

⇒ y+66 = 3

⇒ y = 3-66

∴ y = -63

The value of " x = -11 " and " y = -63 "

Hope it helps...

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Answer 2

Answer:

x = 1 and y = -3

Step-by-step explanation:

Elimination