The sum of a number and two is equal to negative seven. Translate this sentence to an equation and then find the number.
2 answers:
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It can work well here to simplify inside parentheses first.
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Answer:
13.5 minutes
Step-by-step explanation:
Cross multiply
3 × 576 = 128x
3 × 576 = 1,728
1,728 = 128x
1,728 ÷ 128 = x
13.5 = x