12.Solve the equations and check the solution:
a. 5(x + 1) = 3(2x - 1)
b. 3X - 4/2 + 5 - x/3 = 2
c. 2y/3 - 5y/2 + 7 = 9 – 2y
d. x - 4/5 = X - 3/4
e. 2x – 1 = 5x-4/3
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Answer:
a.....
5x+5=6x-3
5+3=6x-5x
8=x
checking......
put x=8 in. 5(x+1)=3(2x-1).
5(8+1)=3(2×8-1)
5×9=3(16-1)
45=3(15)
45=45
hence......x=8 is the solution.....
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