Question

Решите уравнение (15u-21)×3+27=234

Answer 1

(15и - 21)*3+27=234
45u-63 +27=234
45u=234+63-27
45u=270
u=270/45
u=6

Answer 2

(15u - 21) * 3 + 27 = 234
45u - 63 + 27 = 234
45u = 234 + 63 - 27
45u = 270
u = 270 / 45
u = 6