What is the answer to dis

Solve for x.
-8-
X

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Ответ:

keesbre

22.01.2020

Mathematics

$\sf x=-2 \: \: \: and \: \: \: y=5$

Step-by-step explanation:

$\frac{\sf (x+3x)}{2} = - 4$

$\frac{\sf 4x}{2} = - 4$

$\sf 4x = -8$

$\sf\huge x=-2$

_____________________________________

$\frac{\sf (2y+4y)}{2} = 15$

$\frac{\sf 6y}{2} = 15$

$\sf 6y=30$

$\sf\huge y=5$

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