simultaneous equations (elimination method)
y=3x-5 and 2x-6y= 8
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Answer:
Y = 3x - 5
=> -3x + y = -5 ----->(1)
=>2x - 6y = 8 ----->(2)
Multiple equation (1) by 6
=> 6 × (-3x) + 6 × y = 6 × (-5)
=> -18x + 6y = -30
Now, equation (1) + equation (2)
-18x + 6y = -30
+2x - 6y = + 8
------------------------
-16x 0 = -22
Substitute value of x in equation (2)
Therefore:
and
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