Answer:
200 + 50x = 450
Step-by-step explanation:
So, 200 + 50x = 450
50x = 450-200 = 250
X = 250/50
X = 5
Check:
200 + 50(5)
= 200 + 250 = 450.
A trick I did when it comes to multiplying by 10, is just add a 0 at the end of the number your multiplying. Try for yourself!
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