Answer:
C is the answer usual balance.
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20
Constant in a mathematical expression is a term whose value never changes.
The terms with x and y will vary based on the variable x and or y.
Answer:
Step-by-step explanation:
6y+9=18
6y=2
y=1/3
Answer:
21
Step-by-step explanation:
y = 3x + 9
y = -3x + 12
y=21
