check whether x=4 is the solution of equation 2x-8=0
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Checking whether x= 4 is a solution of 2x-8 =0 .
Let f(x) = 2x - 8 = 0
Now if x = 4 is a solution, then
x = 4 or f(4) = 2(4)-8 = 8-8 = 0 = 0 .
Hence, x=4 is a solution of 2x-8=0
Let f(x) = 2x - 8 = 0
Now if x = 4 is a solution, then
x = 4 or f(4) = 2(4)-8 = 8-8 = 0 = 0 .
Hence, x=4 is a solution of 2x-8=0
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