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lAdY THiNKS iTS 12.....

EXPlAiN::

3X-1=11

(3*x)-1=11

x=4

(3*4)-1=11

(12)-1=11

so sub w/ all X

X2+X

(4*2)+4

(8)+4

answer= 12

If you with X2 mean X²:

4²+4=20
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Q: 3X - 1 equals 11 what is the value of X2 plus X?
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