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tatiyna
3 years ago
12

Two trains, Train A and Train B, weigh a total of 312 tons. Train A is heavier than Train B. The difference of their weights is

170. What is the weight of Train A?
Mathematics
1 answer:
Korvikt [17]3 years ago
7 0
312-170=142
142÷2=71
170+71=241
241+71=312
train A weighs 241 tons
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Hello,

The answer is <u>3x² - x - 2</u>

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<u>Step 2</u> : Combine 2x and -3x to get -x :-

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