HELPPPPPPPPppppppppppppp
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Supplementary angles are angles equal to 180°.
Therefore:
Now that we have our equation, let's distribute the and the
into the parentheses they are next to:
Combine like terms:
Subtract from both sides of the equation:
Divide by the coefficient of , which is
:
~
Check your work by substituting into one of the equations above:
It's correct!