6.2A Solving Systems by Substitution (isolated) Solve each system by substitution. Steps 1) Solve one of the equations for x or y. • This is already done for you for this section. 2) Substitute the expression into the other equation and solve for the variable. 3) Once you solved one for one of the variables, plug this solution into one of the ...

7.) Solve the system by using elimination or elimination with multiplication. 3x - 2y = 9 and -3x + 2y = -9 A. (3, 0) B. (5, 6) C. (1, -3) D. no solution E. infinitely many solutions Solving Systems 5 1.) Solve the following system using substitution or elimination: The sides of a triangle have measures of x, x, and y, and the perimeter of the ... Solving systems of linear equations. This calculator solves Systems of Linear Equations using Gaussian Elimination Method, Inverse Matrix Method, or Cramer's rule.Also you can compute a number of solutions in a system of linear equations (analyse the compatibility) using Rouché–Capelli theorem. Solving by Elimination 1 - Cool Math has free online cool math lessons, cool math games and fun math activities. Solving by Elimination. Let's just do one and you'll see how it works: See how these guys are the same, but with a different sign?