34
18 + 16 = 34
12 + 16 + 18 + 20 + 9 = 75
9 + 8 + 16 + 17 + 18 = 68
-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
2+14=16
1
U can subtract 18 from each side of the equation.
25-7=18 18/3=6
(7)-(-3)+(16)-(8) = 18
16
-86
Solve this system of equations. 5x+3y+z=-29 x-3y+2z=23 14x-2y+3z=-18 Write the solution as an ordered triple.