Math Practice Topic: 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):

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