if the point (2,a) lies on the line 2x+3y+5=0,find the value of a
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2x+ 3y+ 5= 0
Putting value of x= 2 and y= a as point (2,a) lies on the line so it is a solution of line 2x+ 3y+ 5= 0.
2×(2) + 3×(a) + 5= 0
4+ 3a + 5= 0
3a+ 9= 0
a= -9÷3
a= -3
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