Tolong jwb ya kk...pliss jgn asal² trims

Tolong jwb ya kk…pliss jgn asal² trims

Jawaban:

$frac{4}{5} x + 4 - frac{3}{5} + frac{3}{4} x = frac{11}{4} \ frac{16}{20} x + frac{80}{20} - frac{12}{20} + frac{15}{20} x = frac{55}{20} \ frac{31}{20} x + frac{68}{20} = frac{55}{20} \ frac{31}{20} x = frac{13}{20} \ x = frac{13}{20} times frac{20}{31} \ x = frac{13}{31}$