7 x 4 ≤ 2 x − 5 ) 3 x 9 July 8, 2019 16 32 64 128 7 x 4 ≤ 2 x − 5 )+ 3 x 9 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 ) 5 x 7 = 35 2) 9 − 7(x + 3) = 5 − 4x 5/4 * x ^ 2 + 7x + 9 = 0
