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bija089 [108]
2 years ago
8

Need help urgently please

Mathematics
2 answers:
kakasveta [241]2 years ago
6 0

Answer:

x =  -12

y = 3

Step-by-step explanation:

1/2x + 6(x+15) = 12\\1/2x + 6x + 90 = 12\\6\frac{1}{2} x + 90 = 12\\6\frac{1}{2} x= -78\\x = -12

y = x + 15\\y = -12 + 15\\y = 3

sineoko [7]2 years ago
6 0
The answers is x = -12
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