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Q: 2x - 5 plus 5 equals 12 solve for x?

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y= -2x

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

2x +n5y=12

x = 4 and y = 0

2x + 12 y =36subtract 2x from both sides12y = 36 - 2xdivide both sides by 12y = (36 - 2x)/12

3

12 = 2x + 6 subtract 6 from both sides 6 = 2x divide both sides by 2 3 = x

-2x = -4x + 24 -2x + 4x = 24 2x = 24 x = 24/2 x = 12

36

8

x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5

2x+10=12 2x=2 x=1

many solutions

2x-12

2x-3=9 so 2x=12 and x=6

x=35

x=12

(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