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Earn +20 ptsQ: What is the answer to 7y plus 18 equals 39?
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14x plus 7y equals -7?
-8x-6y=-18
What is the answer for the ordered pair form x plus 7y equals 39 3x minus 2y equals 2 using substitution?
If you mean: x+7y = 39 and 3x-2y = 2 Then by substitution: x = 4 and y = 5
Solve this equation using subtitution x plus 7y equals 39 and 3x-2y equals 2?
x + 7y = 39 So x = 39 - 7y Substitute for x in the second equation: 3(39 - 7y) - 2y = 2 117 - 21y - 2y = 2 115 = 23y y = 5 Substitute this value for y back into the first equation: x + 7*5 = 39 x + 35 = 39 x = 4
6x plus 7y equals 96 6x - 7y equals 12?
(9,6)
What equation could be used to solve y² plus 7y equals 18 by factoring?
y2+7y=18 y2+7y-18=0 (y+9)(y-2)=0 y=-9 & y=2
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