Question 286418
Step 1) Pick an equation and a variable to solve for. I'm going to solve for 'y' in the second equation. So solve for 'y' in {{{x+y=5}}} to get {{{y=-x+5}}}



Step 2) Plug in (ie substitute) {{{y=-x+5}}} into the other equation {{{3x+2y=13}}}. In other words, replace each 'y' with {{{-x+5}}} to effectively eliminate every 'y' term. After doing so, you should get {{{3x+2(-x+5)=13}}}



Step 3) Solve for 'x'. This can be easily done as {{{3x+2(-x+5)=13}}} is a simple linear equation with one variable.



Step 4) Take the solution found in step 3 and use it to find the solution in terms of 'y'.