Write a decimal that is 1/10 of 0.9
2 answers:
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<h3>Given</h3>
... 4 - |2x -1| = -3
<h3>Find</h3>... x
<h3>Solution</h3>Add |2x-1|+3
... 7 = |2x-1|
This resolves to two equations:
... -7 = 2x-1
... -6 = 2x
... -3 = x
and ...
... 7 = 2x -1
... 8 = 2x
... 4 = x
The two solutions are x = -3 and x = 4.
Answer:
Moses got into the elevator at the 8th floor.
Step-by-step explanation:
Let's call the floor which Moses started at x. Going down decreases the floor number and going up increases the floor number. We then form the equation which is the same as
which means
. Moses got in at the 8th floor.