2x+a=p 2x=p-a x=.5p-.5a
Solve for x. 3x + 3 = x + 7 2x + 3 = 7 2x = 4 x = 2 Check it. 6 + 3 = 2 + 7 It checks.
many solutions
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
2x+3 = 7 2x = 7-3 2x = 4 x = 2
2x+a=p 2x=p-a x=.5p-.5a
y= -2x
3
Solve for x. 3x + 3 = x + 7 2x + 3 = 7 2x = 4 x = 2 Check it. 6 + 3 = 2 + 7 It checks.
8
many solutions
x=35
(3,3)
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
2x+32 = 1 2x = 1-32 2x = -31 x = -15.5
2x+3 = 7 2x = 7-3 2x = 4 x = 2
If: x+1+2x = 1x+5 Then: x = 2