Cinco amigos van al cine. La entrada cuesta 4,50$ dos no tienen dinero y los otros tres deciden invitarles ¿Cuanto dinero tiene
1 answer:
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Answer:
x = 7
Step-by-step explanation:
Start by solving for which is a common expression for both equations. Then in the first equation:
and in the second equation:
Now we make the two expressions equal so we get: