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GenaCL600 [577]
3 years ago
10

0.5x + 4 + 0.9x = x + 5

Mathematics
2 answers:
Law Incorporation [45]3 years ago
6 0

Answer:

x=2.5

Step-by-step explanation:

kozerog [31]3 years ago
5 0

Answer:

0.5x + 4 + 0.9x = x + 5

collect like terms together:

0.5x + 0.9x - x = 5 - 4 \\ x(0.5 + 0.9 - 1) = 1 \\ 0.4x = 1 \\ x =  \frac{1}{0.4}  \\  \\ { \boxed{ \boxed{x = 2.5}}}

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