Set up an equation (part + part = whole). Solve the equation to find the value of x. 10 + x + x + 20 = 12
1 answer:
Answer:
x is equal to -9 thus it becomes -18 in the whole setup
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Answer:
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1800 because the 18 cant fit in the tens
Answer:
102
Step-by-step explanation:
i think it is the ans.