4 5 3 10 x 3 2 July 8, 2019 16 32 64 128 4 5 3 10 x 1 1 2 3 5 x 1 )= 3 10 4 2x 4 5 3 10 x 1 1 2 solution 4 5 x 3 10 x 20 7 3 x-5=x+3 4 - 3 + 10 รท 5 x 2 4 5/23+x=10
