Question 1076174
1)  2x  +y = -3
2)   x -5y =  4
:
solve equation 2 for x
:
x = 5y +4
:
substitute for x in equation 1
:
2(5y +4) + y = -3
:
10y +8 +y = -3
:
11y = -11
:
y = -1
x = 5(-1) +4 = -5 +4 = -1
:
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solution is (-1, -1) and answer is C
:check our answer with equations 1 and 2
:
1)  2(-1) +(-1) = -3
-2 -1 = -3
-3 = -3
:
2)  -1 -5(-1) = 4
-1 +5 = 4
4 = 4
:
our answer checks   :-)
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