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Q: What is a plus 7y?

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-7y + 4y = -3y

16+7y-8 = 7y+16-8 = 7y+8

(4x2)+ (28xy) + (49y2) = (2x + 7y)(2x + 7y) = (2x + 7y)2

It is: 8+7y

x = 7y x/7 = y

-5x+7y-6z

-6y+3 = -7y+8 -6y+7y = 8-3 y = 5

7y + 4 - 4 - 9 = 7y - 9

14x+7y=-9

99y

(9,6)

(7,12)

It cannot be simplified any further, so it is: 2x + 7y

i dont know

4X2+X3+3X+7Y+2X3 can only be simplified to 3X3+4X2+3X+7Y, because X3 and 2X3 are the only like terms.

Yes it is.

y^2 + 7y + 12 = (y+4)(y+3)

9x + 3y + 5z - 5x + 4z - 7y = 4x - 4y + 9z

8y + 7y = 15ySo [ 8y + 9 + 7y ] = 15y + 9If you want to get fancy and factor that expression, it's 3(5y + 3) .

7y-8 = 6y+1 7y-6y = 1+8 y = 9

If you mean: 32-10x+7y = 0 then as a straight line equation it is 7y = 10x-32

7x + 8y

if: 2x + 6 = -6 then: 2x = -12 x = -6 if: 5x + 7y = 1 then: 5(-6) + 7y = 1 7y = 31 y = 31/7

7y+5=-9... 7y must equal -14 therefore y must be -2

7y+ 8x + 4= 20 + 8x- 8x - 8x7y + 4 = 20- 4 - 47y=16/7 /7y= 2.28the /7 means divide by 7 :)