N 5(a)...................................................

Question

N 5(a)...................................................

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Answer 1

(х - 4)/5 = 9 + (2 + 4х)/9 | × 45
9(х - 4) = 405 + 5(2 + 4х)
9х - 36 = 405 + 10 + 20х
9х - 20х = 415 + 36
-11х = 451
х = 451 ÷ (-11)
х = -41
Ответ: -41