Question

How do you solve a system of equations using the substitution

Answer 1

Step-by-step explanation:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for y: ...

Step 2: Substitute that equation into the other equation, and solve for x. ...

Step 3: Substitute x = 4 x = 4 x=4 into one of the original equations

Answer 2

When you have a system of equations you have to plug numbers until you have an x,y, you have to make the equation simple, you might start with something like the highlighted equation in the picture and you have to change it to x+(random number)= y the random number is the number you have to find, and plug until you find an equation that has an answer.