Respuesta :

TheSilxncer

Answer:

x =14

Step-by-step explanation:

3x = 42

42/3

x = 14

Sarah06109

Answer:

x=16

Step-by-step explanation:

Complementary angles add to 90 degrees

∠1+∠2 =90

Substitute 42 in for ∠1, and 3x in for ∠2

42+3x=90

Subtract 42 from both sides

3x=48

Divide by 3 on both sides

x=16

Hope this helps! :)