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Posted by **Rachel** on Saturday, February 25, 2012 at 9:36pm.

8a+5s=12220

Please help me solve the system of equation and show your work thanks

- Math -
**MathMate**, Saturday, February 25, 2012 at 10:57pm8a+5s=12220

a+s=1970

Solve by elimination (of s)

Multiply the second equation by 5 and subtract from the first:

8a-5a + 5s-5s = 12220-5*1970

3a = 2370

a=790

Solve for s using a=790

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