MathScore Practice: System of Equations Substitution

Description: Solve a system of two linear equations using the substitution method. You may need pencil and paper.

Adaptive Learning Progression: Numbers get bigger, more problems.

Sample Levels (out of 6)

Solve by substitution.
In step 1, answer in the form y = mx + b, such as y = 3x + 2 or y = -x/3 - 6.
In step 2, answer in the form (x,y). For example: (-2,3).

1.	x - 2y = ^-3 x + y = 0 First equation solved for y: Answer (x,y):

Solve by substitution.
In step 1, answer in the form y = mx + b, such as y = 3x + 2 or y = -x/3 - 6.
In step 2, answer in the form (x,y). For example: (-2,3).

1.	^-8x + 9y = 64 x + 2y = 17 First equation solved for y: Answer (x,y):
2.	^-9x - 5y = 63 ^-5x + 4y = ^-26 First equation solved for y: Answer (x,y):
3.	-x + 5y = ^-20 -x + y = ^-12 First equation solved for y: Answer (x,y):

Math Practice Topic: System of Equations Substitution

Sample Levels (out of 6)