Question

Alguém me ajuda a responder A) ( x+2) 10 =x 6. B) x 20 (2-2) 12

Answer 1

A (x+2)10=x6<=>

<=>10x+20=6x<=>

<=>6x-10x=20<=>

<=> -4x=20<=>

<=>x=20/-4<=>

<=> x=-5

B x20 (2-2) 12<=>

<=>20x+12=0<=>

<=>20x=-12<=>

<=>x=-12/20<=>

<=>x= -(3/5)