7 x 1 9 5x July 8, 2019 16 32 64 128 9 7 x 5x 1 7x Dla x =- 1 wyrażenie 9 5x 7 5x 7 x 1 9 interval notation 5x 7 x 1 9 3 X 1 7x 9 5x 17 5x 7 x 1 )= 3x 9 1 x 4 7 9 5x Solve the inequality 5x 7 x 1 9 3 5x 7 left x 1 right ) - 9 X 9 5x 1 x 7 2x 3