Answer:
x = - 3
Step-by-step explanation:
Given
7(x + 2) = 2x - 1 ← distribute parenthesis on left side
7x + 14 = 2x - 1 ( subtract 2x from both sides )
5x + 14 = - 1 ( subtract 14 from both sides )
5x = - 15 ( divide both sides by 5 )
x = - 3
To find the answer, divide 7.2 miles by 3 hrs, this would get you to answer B, 2.4 miles per hour
700 because 10 times 20 is 200 and 500 plus 200 is 700.
Answer:
disjoint
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