Question 208388
x+5y=29
-7x+4y=70 
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Multiply the top equation by 7 then combine:
7x+35y=203
-7x+4y=70 
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39y = 273
y = 7
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Substitute the above back into equation 1 to solve for x:
x+5y=29
x+5(7)=29
x+35=29
x = 29-35
x = -6
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Therefore, the solution is:
(x,y) = (-6, 7)