Answer this question in algebra : 2 + “x” x 8 + b = ???
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(a) 5x−11=2x+7
⇒3x=18
⇒x=
3
18
⇒x=6
(B) 3(x−8)−2(x−5)=2−5x
⇒3x−24−2x+10=2−5x
⇒x−14=2−5x
⇒6x=16
x=
6
16
⇒x=
3
8
(C) 2(3x+1)−7=2(6x−7)
⇒6x+2−7=12x−14
⇒−5+14=12x−6x
⇒6x=9
⇒x=
6
9
⇒x=
2
3
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