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7(2×-1)-3(4×-1)=5(3×+2)-1
vreau si eu repede ca dau test !​

Răspuns :

Marie01

[tex]7\left(2x-1\right)-3\left(4x-1\right)=5\left(3x+2\right)-1\\\\14x-7-3\left(4x-1\right) = 15x+10-1\\\\2x-4=15x+9\\\\2x=15x+13\\\\-13x=13\\\\x=-1[/tex]

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