3(x-4)+2 (x+5)=4x.....1a linha 3x-12+2x+10=4x.......2a linha
5x-2=4x.....................3a linha
5x-2-4x=4x-4x...........4a linha
x-2=0
x =2

oq eu Quero saber é da onde veio o 4x -4x da 4 linha.
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.