Answbig
Step-by-step explanation:
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The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! so im pretty sure its 20
The answer is (3,0)
<em>Sure hope this helps you</em>
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Answer:
1+1=a a=solution
Step-by-step explanation:
