30 men can do a piece of work in 40 days .how long it take to complete the work if 5 men were reduced
2 answers:
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The value of x is 17.6. She should have added 5.4 on both sides to get the correct value of x. Then the correct option is A.
<h3>What is the linear system?</h3>A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
Kaitlyn solved the equation for x using the following calculations.
and she did the calculation will be
The mistake she did in this equation is the plus sign is removed between the -5.4 and x. And she subtracted 5.4 from 12.2.
The correct solution of the equation is to add both sides 5.4. Then we have
More about the linear system link is given below.