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Earn +20 ptsQ: What is -7y equals -63?
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7y-2 equals 14yplus 61?
y=-9 7y-2=14y+61 7y-2-7y=14y+61-7y -2=7y+61 -2-61=7y+61-61 -63=7y -63/7=7y/7 -9=y
65x - 7y equals 371 -11x plus 7y equals 7?
(7,12)
6x plus 7y equals 96 6x - 7y equals 12?
(9,6)
What is 39-7y equals 18 equal?
39 - 7y = 18,-7y = 18 - 39-7y = -21-7y/-7 = -21/-7y = 3
What is the slope of 14x plus 7y equals -9?
14x+7y=-9
What is the solution to 10x-7y equals -1 and -2x-7y equals -25?
10x-7y=-110x+1=7y-2x -10x-1=-25-12x-1=-25-12x=-24x=-24/-12x=210(2)-7y=-120-7y=-121=7y21/7=yy=3
Use elimination to solve the system x plus 7y equals 16 and 3x - 7y equals 4?
x+7y=16 ---------------------------1 3x- 7y=4 ---------------------------2 ------------------------------------------------------------------------------------------------------------------ 1+2 x+7y=16 3x-7y=4 4x=20 x=5 substitute x = 5 in x+7y=16 (5)+7y=16 7y=11 y=11/7
What is the slope of 2x-7y equals 14?
2x-7y=14 2x-14=7y from this equation the slope is 2/7
Multiply and simplify y-7y-5?
-2
What is the answer to 7y-8 equals 6y plus 1?
7y-8 = 6y+1 7y-6y = 1+8 y = 9
2x plus 6 equals -6 5x plus 7y equals 1?
if: 2x + 6 = -6 then: 2x = -12 x = -6 if: 5x + 7y = 1 then: 5(-6) + 7y = 1 7y = 31 y = 31/7
What is the answer to -7y equals 28?
y=-4
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