(5x2 -8x+1/2) (2x-5)
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Answer:
Step-by-step explanation:5x−2(2x−7)=2(3x−1)+
2
7
⇒5x−4x+14=6x−2+
2
7
⇒x+14=6x+
2
−4+7
⇒x+14=6x+
2
3
⇒x−6x=
2
3
−14
⇒−5x=
2
3−28
⇒−5x=
2
−25
⇒x=
2
5
5x−2(2x−7)=2(3x−1)+
2
7
⇒5x−4x+14=6x−2+
2
7
⇒x+14=6x+
2
−4+7
⇒x+14=6x+
2
3
⇒x−6x=
2
3
−14
⇒−5x=
2
3−28
⇒−5x=
2
−25
⇒x=
2
5
5x−2(2x−7)=2(3x−1)+
2
7
⇒5x−4x+14=6x−2+
2
7
⇒x+14=6x+
2
−4+7
⇒x+14=6x+
2
3
⇒x−6x=
2
3
−14
⇒−5x=
2
3−28
⇒−5x=
2
−25
⇒x=
2
5
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