3 (5z – 7) +2 (9z – 11) = 4 (8z -7)-111Solve the equation
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3( 5z - 7 ) + 2( 9z - 11 ) = 4( 8z - 7 ) -111
=> 3 x 5z - 7 x 3 + 2 x 9z - 11 x 2 = 4 x 8z - 7 x 4 - 111
=> 15z - 21 + 18z - 22 = 32z - 28 - 111
=> 18z + 15z - 32z = 21 + 22 - 28 - 111
=> 33z - 32z = -96
=> z = -96 ... Ans
3( 5z - 7 ) + 2( 9z - 11 ) = 4( 8z - 7 ) -111
=> 3 x 5z - 7 x 3 + 2 x 9z - 11 x 2 = 4 x 8z - 7 x 4 - 111
=> 15z - 21 + 18z - 22 = 32z - 28 - 111
=> 18z + 15z - 32z = 21 + 22 - 28 - 111
=> 33z - 32z = -96
=> z = -96 ... Ans
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this is ur required result
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