Some friends decide to go to the aquarium together each person pays $7.50 to get in they spent a total of $40 for the shark exhi
1 answer:
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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
:
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Check your work by substituting into one of the equations above:
It's correct!