(-2x + 5) / 7 + ( 3x - 1) / 2 simplify
[ 2 (-2x + 5) + 7 ( 3x - 1) ] / [ 7 * 2 ] =
[ -4x + 10 + 21x - 7 ] / 14
[17x + 3 ] / 14
So
[17x + 3 ] / 14 = 0 and [ 17x + 3 ] / 14 =1
x = -3/17 17x + 3 = 14
17x = 11
x = 11/17
The real numbers fall into the interval [ -3/17 , 11/17 ]