3 + 2x = 11
subtract 3 from both sides:
3 + 2x (-3) = 11 (-3)
=> 2x = 8
then divide both sides by 2
(2x)/2 = 8/2
=> x = 4
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2x+5=11 2x=6 x=3
According to my calculations, yes. 2x+8=3x+11 -8 2x=3x+3 -2x 0=x+3 -3 -3=x
7
X= -2
2x + 3 + 3x = x + 11 5x + 3 = x + 11 4x + 3 = 11 4x = 8 x = (8/4) x = 2