2 3x 7 5 3 5x July 8, 2019 16 32 64 128 5 3 5x 2 )= 4 7 3x )+ 1 5 3 5x 2 )= 4 7 3x )+ 1 and check the solution 5 3x 2 )= 3 5x 7 is a linear equation in one variable 5 3 5x 2 7 3x 1 3 5x 2 3x x 1 7 =- 5 21 5 3 5x 2 )= 4 7 3x 4x 3 5x 2 3x 7 )( 2x 5
