7 5x 2 4 3x 5 July 8, 2019 16 32 64 128 5 3 5x 2 )= 4 7 3x )+ 1 5 3 5x 2 )= 4 7 3x )+ 1 and check the solution 4 5x 2 )- 7 3x 5 )= x 31 5 3 5x 2 )= 4 7 3x )+ 1 solve 5x 7 2 2x 4 3 3x 9 4 5 4 3x 2 5 7 5x 1 10 5 3x 2 )=- 7 (- 5x 4 comprobacion 2 5x 7 )+ 3x 1 5 4 3x 5 )- 8x 5 x 7 = 35 7 2x+5 4=-3 6-5 4
