Solving by Substitution Method Steps

When both equations are already solved

When the equations are not related

When the variables are not known

When one of the equations can be easily solved for one variable

$$x=3\ \&\ y=0$$

$$x=0\ \&\ y=3$$

$$x=1\ \&\ y=3$$

$$x=3\ \&\ y=1$$

graphing, substitution, and elimination

rearranging, thinking, and guessing

only by graphing

(3,8)

(8,3)

(0,2)

(2,0)

(1,3)

(-1,-3)

(-1,3)

(3,1)

(0,3)

(3,0)

No solution(parallel lines)

Infinitely many solutions

Substitution

Elimination

Graphing

Dunking

Graphing

Googling

Elimination

Substitution

Systems by Graphing

Systems by Substitution

Systems by Elimination

Systems by Drawing

get x by itself

get y by itself

get either variable by itself

add the equations together