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klio [65]
2 years ago
15

WILL GIVE BRAINLIEST. Need an answer ASAP!

Mathematics
1 answer:
jarptica [38.1K]2 years ago
8 0

Answer:

a) 7

Step-by-step explanation:

We\ know\ that,\\The\ diagonals\ of\ a\ square\ are\ equal\ in\ length.\\Hence,\\DB=ACSubstituting\ the\ values\ we\ get:\\7x+1=4x+22\\Hence,\\3x=21\\x=7

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