diketahui 7 (x+2) +7x = 50 nilai x yang memenuhi
7(x + 2) + 7x = 50
= 7x + 14 + 7x = 50
= 14x + 14 = 50
= 14x = 50 - 14
= 14x = 36
= x = 36/14
= x = 18/7
[answer.2.content]7(x + 2) + 7x = 50
= 7x + 14 + 7x = 50
= 14x + 14 = 50
= 14x = 50 - 14
= 14x = 36
= x = 36/14
= x = 18/7
[answer.2.content]