Question

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Answer 1

Răspuns:

(3x-4)×5=2×(2x+1)

15x-20=4x+2

15x-4x=2+20

11x=22

x= 22/11

×=2

x

Answer 2

Răspuns:

$\frac{3x - 2}{2} = \frac{2x + 1}{5} \\ 5(3x - 4) = 2(2x + 1) = > \\ 15x - 20 = 4x + 2 = > \\ 15x - 4x = 2 + 20 = > \\ 11x = 22 = > x = 22 \div 11 = > \\ x = 2$