Question

A) X + 5 = 13
B) x - 11 = 25
C) 2 X - 8 = 22
D) 18x-43=65
E) 12+x=42
F) 3x/4= -9

Answer 1

Resposta:

$a) x+5=13\\\\x=13-5\\\\x=8\\\\b) x-11=25\\\\x=25+11\\\\x=36\\\\c) 2x-8=22\\\\2x=22+8\\\\x=30/2\\\\x=15\\\\d) 18x-43=65\\\\18x=65+43\\\\x=108/18\\\\x=6\\\\e) 12+x=42\\\\x=42-12\\\\x=20\\\\f) \frac{3x}{4} =9\\\\3x=9.4\\\\x=36/3\\\\x=12$