4x 3 )-( 5x 7 )= ax b July 8, 2019 16 32 64 128 4x 3 )-( 5x 7 )= ax b in the given equation is a constant what is the value of 4x 3 )-( 5x 7 )= ax b value of b 5 x 7 = 35 3 x-5=x+3