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Romashka-Z-Leto [24]
3 years ago
8

For what value of a is a(2x+3)=9x+15+x an identity?

Mathematics
1 answer:
patriot [66]3 years ago
5 0
a(2x+3)=9x+15+x\\
2ax+3a=10x+15\\\\
2a=10 \wedge 3a=15\\
a=5 \wedge a=5\\\\
\boxed{a=5}

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