Question

5. If x= 2 - a and y=2+ a is a solution of the equation 3x-2y+6=0 find the value
of a Find three more solutions of the resultant equation.
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Answer 1

Answer:

3x-2y+6=0

3(2-a)-2(2+a)+6=0

6-3a-4-2a+6=0

6+6-4-3a-2a=0

12-4-5a=0

8-5a=0

8=5a

a=8/5