2x 7 3 5 3x 2 4 July 8, 2019 16 32 64 128 2x 1 3 5 3x 2 x 7 4 6x 7 3x 2 4x 5 2x 3 9x 7 3x 2 4x 5 2x 3 1 2 2x 7 )+ 3 3x 5 )= 3 4x 5 )- 1 6x 7 )( 2x 3 )-( 3x 2 )( 4x 5 )= 10 2x 3 (- 4x 5 )= 7 2 3x 9 3 4x 2x 7 2 3x 5 6x 7 3x 2 4x 5 2x 3 solve and check 6x 7 3x 2 4x 5 2x 3 solve the equation 6x 7 3x 2 4x 5 2x 3 solution 4 2x 1 3 7 3x 2 5
