solve the following system of equations graphically x+3y=6, 2x-3y=12 and hence find the value of a, if 4x+3y=a with bar graph drawing
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The value of a is 24 . Multiply x + 3y = 6 by 2 and subtracted from 2x - 3y = 12 . Putting value of y in the x + 3y = 6 . Therefore the value of a is 24 .
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