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Answer:
6
Step-by-step explanation:
A is 6
If it's right triangle 3,4,5/ 6,8,10
hope this help
Answer:
-3
Step-by-step explanation:
Let x equal the mystery number
Our equation will be:
x - 5 = 1 + 3x
Subtract x from both sides
-5 = 1 + 2x
Subtract 1 from both sides
-6 = 2x
Divide both sides by 2
-3 = x
