Question

determine o valor do x​

Answer 1

Resposta:

x eh igual a 50

Explicação passo-a-passo:

2x + 40 + x -10= 180

3x= 180 - 40 + 10

3x= 150

x= 150/3

x=50

Espero ter ajudado <3

Answer 2

2x+40° e x-10° somam um angulo de 180°, logo

$2x+40+x-10=180\\\\3x+30=180\\\\3x=180-30\\\\3x=150\\\\x=\dfrac{150}{3}\\\\\boxed{\boxed{x=50\°}}$