the solution of equation 5x-8=7 is
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Put x, 1
5(1) -8=7
5-8=7
3=7
Put x, 2
5(2) -8=7
10-8=7
2=7
Put x, 3
5(3) -8 =7
15 -8=7
7=7
So, 3 is the solution of the equation.
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