solve each of thi following equations and verify the result 5(3x+4) -8(6x-7) =9x-8
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solution:
5(3x+4) - 8(6x-7) = 9x-8
=> (15x+20) - (48x-56) = 9x-8
=> 15x+20 -48x+56 = 9x-8
=> 15x-48x+20+56 = 9x-8
=> -33x+76=9x-8
=> -33x-9x+76-76= 9x-9x-8-76
=> -42x = -84
=> 42x = 84
=> x = 84/42
=> x = 2
verify:
5(3x+4) - 8(6x-7) = 9x-8
Left Hand Side:
5(3x+4) - 8(6x-7)
= 5(3x2 + 4) - 8(6x2 -7)
= 5(6+4) - 8(12-7)
= 5x10 - 8x5
= 50 - 40
= 10
Right Hand Side:
9x-8
= 9x2 -8
= 18 - 8
= 10
Since, Left Side = Right Side {Proved }
Therefore, x=2 is a solution for the given equation.
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