7 4 1 5x 3 2 4 5x July 8, 2019 16 32 64 128 1 2 3 5x 8 )+ 7 4 2 5x 4 1 2 3 5x 8 )+ 7 4 2 5x 4 simplified 5 7 - 4 1/2 5 ⋅( 4 7 − 5 3 ) 5 x 7 = 35