Question

Qual é o valor de x ?

Answer 1

Resposta:

$x+x+25+105=180\\2x+130=180\\2x=180-130\\2x=50\\x=\frac{50}{2}\\x=25^{o}\\\\\\40+65+x=180\\105+x=180\\x=180-105\\x=75^{o}$

Explicação passo-a-passo:

Answer 2

Resposta:

x+x+25+105=180

2x+130=180

2x=180−130

2x=50

x=

2

50

x=25

o

40+65+x=180

105+x=180

x=180−105

x=75

o