Why are the carriage Windows pulled up when the train goes through the tunnel
2 answers:
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3x + 7 = x - 15
First, make sure to subtract
from both sides.
Second, simplify 3x - x to get 2x, and then keep the 7.
Third, subtract
from both sides.
Fourth, simplify -15 - 7 to get -22.
Fifth, take the 2 and divide both sides by it, keeping the by itself.
Sixth, since 11 goes into 2 to get 22, simplify the fraction to 11.
Answer: x = -11
First, make sure to subtract
Second, simplify 3x - x to get 2x, and then keep the 7.
Third, subtract
Fourth, simplify -15 - 7 to get -22.
Fifth, take the 2 and divide both sides by it, keeping the
Sixth, since 11 goes into 2 to get 22, simplify the fraction to 11.
Answer: x = -11