7 x 3 ) 4 x 5 )= 23 July 8, 2019 16 32 64 128 7 x 3 )+ 4 x 5 )= 23 5 x 7 = 35 3 x-5=x+3 7 5 x 3 4 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 )
