X 3 5x 180 July 8, 2019 16 32 64 128 X 3 5x 2 36x 180 X 9 )+( 5x 3 )= 180 X 3 5x 8 2x 1 180 X 1 3x 13 5x 3 180 5x 3 147 x 180 3 x-5=x+3