X - 2y + 3z = 7
2x + y + z = 4
-3x + 2y – 2z = -1
Using substitution?

Which ratio is equivalent to 10: 85

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Line wx is parallel to line yz. if m