Solve by Substitution
Solve by Elimination
Basic Equations
100

Solve the systems of equations using substitution:

-3x + 4y = -2

y = -5

(-6, -5)

100

Solve the systems of equations using Elimination:

14x + 2y = 26

-14x - 6y = -50

(1, 6)

100

7k - 8 + 2(k + 12) = 52

k = 4

200

Solve the systems of equations using substitution:

-5x - 5y = 10

y = -4x -17

(-5, 3)

200

Solve the systems of equations using Elimination:

4x + 2y = 10

-4x + 3y = -25

(4,-3)

200

-6(m + 1) + 18 = 24

m = -2

300

Solve the systems of equations using substitution:

y = -2x - 9

3x -6y = 9

(-3, -3)

300

Solve the systems of equations using Elimination:

−4x − 15y = −17 

−x + 5y = −13

(8, −1)

300

4(y - 2) + y = -13

y = -1

400

Solve the systems of equations using substitution:

-8x - 5y = -24

-x + y = 10

(-2, 8)

400

HINT: you have to give it a "makeover" and multiply one equation by ( -1 )

−2x − 9y = −25 

−4x − 9y = −23

(−1, 3)

400

3 – (x + 1) = 5x + 6 – 7x

x = 4

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