Q: What is size 7y us?

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It is simply: 7y+46 or 7y-46

4y-7y = -3

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

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

4 = 25 - 7y if you need the value of y, transpose -7y to the left side (it will become 7y). transpose 4 to the right side (it will become -4) here it is: 7y = 25-4 7y = 21 divide both sides by 7. y = 3 that's all.

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9

39 - 7y = 18,-7y = 18 - 39-7y = -21-7y/-7 = -21/-7y = 3

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

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

a + 7y

343y3

It is simply: 7y+46 or 7y-46

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

4y-7y = -3

7y + 2y = 9y 7y * 2y = 14y^2

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

-7y + 4y = -3y