Question

tolong beri jawaban dan penjelasan dengan tepat dan benar​

Answer 1

Jawaban:

[tex] \frac{24}{30} = \frac{(40-2x)}{40} [/tex]

[tex] \frac{4}{5} = \frac{(40-2x)}{40} [/tex]

[tex] 4×40 = 5(40-2x) [/tex]

[tex] 160 = 200-10x [/tex]

[tex] 160-200 = -10x [/tex]

[tex] -40 = -10x[/tex]

[tex] \frac{-40}{-10} = x[/tex]

[tex] x = 4\:[D][/tex]