Answer:1. it is number 3 2. the second one 3. it is the first one
Step-by-step explanation:
Answer: x=15, y=3
Step-by-step explanation:
Subtracting the two equations, we get -3y=-9, meaning y=3.
Substituting this into the first equation, we get that x-3=12, and thus, x=15.
Answer:45=3x3x5
Step-by-step explanation:
prime factorization of 45
45 ➗ 3=15
15 ➗ 3=5
5 ➗ 5=1
45=3x3x5
Answer:
(10 - k) ÷ 5 = 9
(10 - 5) ÷ 5 = 9
5 ÷ 5 = 9
1 = 9
1 does not equal 9
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