Answer:
Step-by-step explanation:
x²+7=43x
x²-43x+7=0

Use x to represent “a number”
1x=10-2x
Answer:
x=30
HOPE THIS HELPS
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Step-by-step explanation:
105/3.5=30
Answer:
The answer is 250.
Step-by-step explanation:
The smallest integer that can be round off to 300 is 250.
e.g
250
≈ 300
249
≈ 200