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2(4x-5)+3(3x+2)=7(x+1)-1
Cat e x


Răspuns :

[tex]2(4x-5)+3(3x+2)=7(x+1)-1 \\ 8x-10+9x+6=7x+7 -1 \\ 8x+9x-7x=7-1+10-6 \\ 10x=10 \\ x= \frac{10}{10} \\ x=1[/tex]
2(4x-5)+3(3x+2)=7(x+1)-1
8x-10+9x+6=7x+7-1
8x+9x+10-6=7x+6
17x+4=7x+6
17x-7x=4+6
10x=10
x=10:10
x=1