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Q: Solve 2x-y equals 1 2x plus 5y equals -5?

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Y=15/(2c+2x)

Because 2x+y is addition not multiplication

Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x

-2x - 2y = -122x + 2y = 122y = 12 - 2xy = 6 - x

4x-y2=2xy 2x ? y5 if its plus its 7 xy

y= -2x

2x+a=p 2x=p-a x=.5p-.5a

3

That equals 2xy + 3y which factors to y(2x + 3)

No, it equals -2xy. lrn2math

36

8

many solutions

x=35

(2x)ysquared

(3,3)

2x+3 = 7 2x = 7-3 2x = 4 x = 2

2x+32 = 1 2x = 1-32 2x = -31 x = -15.5

2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0

You cannot solve one equation in two unknowns.

If: x+1+2x = 1x+5 Then: x = 2

4+ X equals 2X. Subtract X from both sides. Four equals X

If 2x + 5 = 11, then 11 - 5 = 2x 6 = 2x 3 = x

2x+3 = -11 2x = -11-3 2x = -14 x = -7

2x+1 = 9 2x = 9-1 2x = 8 x = 4