6 7x =- 4 2x July 8, 2019 16 32 64 128 7x 4 6 2x 1 6 2x 3 )- 2 7x 4 )= 23 7x 4 2x 7 6 5 3x 6 3x 4 7x 2x 27x 7x 6 2x )- 4 (- 3x 2 2x 6 7x 4 180 2x 6 7x 4 90 Simplify 7x 4 (- 2x 6 Y 7x 4 2x 6 )+ 3y 2x 4y 6 7x 4 3y 4 7x 1 )+ 6 (- 2x 5 )= 50 3 7x 6 7 2x 4 6 7x 4x 2x 4