14x = 7y+28
-7y = -14x+28
Divide all terms by -7 to find the value of y:
y = 2x-4 which is now in slope intercept form
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23 = 7x + 7x - 5 = 14x - 5 14x = 23 + 5 = 28 x = 28/14 = 2
This equation is unsolvable without knowing one of the values of either x or y.
75
22+22+28+28=100.
it equals 28