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