... 46 Linear Algebra, by Hefferonand the additive inverse is similar.xyz+−x + 2−y−z=x ... the x-axis.x1+ x2− 1y1+ y2z1+ z2.Scalar multiplication is similar.38 Linear Algebra, by Hefferon(c) The row operations ρ1+ ρ2and rho2+ ρ3lead to the conclusion ... i3, i4, i5, i6, i7) = (35, 25, 50, 0, 20, 0, 30)results from choosing i4= 0.34 Linear Algebra, by Hefferon> A:=array( [[7,0,-7,0],[8,1,-5,2],[0,1,-3,0],[0,3,-6,-1]] );>...