5 6x 7 ) 4 2 9x July 8, 2019 16 32 64 128 5 6x 7 )+ 4 2 9x 5 2 6x 7 )+ 4 3 2 9x 5 2 6x 7 )+ 4 3 2 9x simplified 2 3x 4 )+ 5 6x 7 )+ 8 9x 10 )= 123 6xy - 4y + 6 - 9x
