7x 3 9 4 July 8, 2019 16 32 64 128 7x 3 9 4x 7x 3 4 9 13 5 7x 3 x 4x 9 5x 4x 3 7x 9 ) 4 7x 3 4 9 1 6 Solve 7x 3 4x 9 3 7x 2 9 4 9x 1 7 4x 7x 3 9 simplify 4x 5 7x 3 )= 9 x 5 Solve for x 7x 3 4x 9 4x 5 7x 3 )= 9 x 5 answer 7x 2 9 3 x 4x 6 1 3 7x 9 )+ 2 3 4x 7x 3 4 or x 9 13