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Substitution Day 2 .notebook
February 26, 2016
Objective: Continue solving systems of equations using
the substitution method.
DO NOW:
Solve the following system of equations using
substitution:
x=3+y
2y = 4x + 2
Examples!
Solve the following systems of equations using
substitution:
1) 4x + 6y = 4
x ­ 2y = ­6
Substitution Day 2
Let's review from yesterday:
STEPS:
1) Get one equation into y = or x = form.
2) Substitute into the second equation and
solve for the variable.
3) Plug in the # found into the easier equation
and solve for the 2nd variable.
4) Check in both originals.
Substitution Day 2 .notebook
February 26, 2016
Solve the following systems of equations using
substitution:
3) 7x = y + 10
y ­ 5x = 12
Solve the following systems of equations using
substitution:
2) 2x + y = 7
y + 3x = 6
Solve the following systems of equations using
substitution:
5) ­8x + 2y = 8
2x + 2y = 28
4) 6x + 4y = 13
x­y=3
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