Solve 4 9 1 3 July 8, 2019 16 32 64 128 Solve 4 x − 9 )= 4 9 1 3x Solve 9 1 4 x 2 3 8 Solve 9 1 4 y 1 1 3 Solve 4x 7 9 3x 1 4 Solve 8x 4 3 x 1 )- 9 How to solve a 4 by 4
