Solve for a, 7-a=3 A.10 B.4 C.2 D5
2 answers:
Answer:
B
Step-by-step explanation:
7 - a + 3
subtract 7 from both sides.
-a = 3 - 7
add like terms (3 + - 7)
-a = -4
divide both sides by -1. (remember that in front of the a, a 1 is there.)
a = 4
answer: b. 4
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The answer is the third one need any more help let me know
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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That's false.
Let's see an instance:
10% of 300=30
20% of 100=20
It doesn't work here so it's false
