4 x 8 ) 12 2 2x 9 July 8, 2019 16 32 64 128 4 x 8 )+ 12 2 2x 9 Solve 4 x 8 )+ 12 2 2x 9 Does 4 x − 8 )+ 12 2 2x − 9 9 x 8 = 8 x 4 + 12 2^x + 8^x = 130
