5 z 2 )= 15 July 8, 2019 16 32 64 128 Solve 5(z+2)= 15 2 5 z 15000 2 5 z 1500 2 5 z 150 2 5 z 15 4 2 5 z 8 15 2 z 5 )+ 3z =- 15 2 5 z