7 3 5 2x )= 10 July 8, 2019 16 32 64 128 7 3 5 2x 10 6 7 8 4 5x 16 )+ 3 5 1 2x 10 1 2x 3 10 5 2x 7 10 2x 3 )( 5 6x )= 7 3x 10 4x 7 x 5 )- 3 2x 6 )= 10 27 =( 2x 7 10 3 5 5 (- 2x 7 )+ 3 =- 10x 38 3 2x 5 3y 7 9x 10y 14 3 2x 5 3y 7 9x 10y 14 by substitution method 3 2x 5 3y 7 9x 10y 12 graph 3 2 2x 5 7 10 7 2x 3 10 5 x 4 2x 3 7 3x 5 10
