3 (- 5x 7 )=- 5 3x 4 July 8, 2019 16 32 64 128 4 5x 3 )- 5 3x 7 )= 6x 23 5 3 5x 2 )= 4 7 3x )+ 1 5x 4x 7 3x 5 6 3 4x 9 x 1 5 3 5x 2 )= 4 7 3x )+ 1 and check the solution 2x 3 1 5x 7 5 3x 4 5x 7 2x 3x 3 4x 5 5x 7 2x 3x 3 4x 5 x 5 3 5x 2 )= 4 7 3x )+ 1 solve 5 (- 3x 7 )+ 3 5x 4 )=- 47 4 7 x 12 5x 3 5 3x 4
