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December 21, 2014

December 21, 2014

Posted by **babs** on Saturday, July 23, 2011 at 12:58pm.

Solve by the substitution method. write as an ordered pair.

8x-3y=-94

2x+22=y

- Algebra -
**Mithra**, Saturday, July 23, 2011 at 5:57pm8x - 3y = 94 ---- Equation 1

2x + 22 = y ---- Equation 2

--------------

Sub y = 2x + 22 in equation 1

8x - 3(2x + 22) = 94

8x - 6x - 66 = 94

2x = 94 + 66

2x = 160

x = 160/2

x = 80

Now sub x = 8 in eq 1 or eq 2 and find for y

- algebra -
**Mithra**, Saturday, July 23, 2011 at 6:06pmSorry, I made a mistake.

Substitute x = 80 in equation 1 or equation 2 and fine for y.

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