Solve the following by Substitution 5x + 2y = 18 2x +3y=16

Question

I’m trying to figure out the following:

Solve the following system by Substitution:

5x + 2y =18

2x + 3y = 16

Answer 1

Hi Andrea,

First pic on equation to solve for y, I picked the second one

y=9-5/2x

substitute this into the first equation, combine like terms and solve for x

x=2 put this value for x in either equation and solve for y

y=4

so the solution is x=2,y=4

Jim