15 4 x 2 )= 10x July 8, 2019 16 32 64 128 Lös ekvationen 15 4 x 2 )= 10x 3 x 15 4 5x 2 10x 7 15 x 10 15 x 14 15 x 4 - 2 15 x 40 2x 10