Simplify: 4x + 4y + 4z
2 answers:
Answer:
Step-by-step explanation:
The given expression is
Simplify in this context means factorize, which we can do by extracting the common factor 4, which is present in every term of the expression. So, it would result
Remember that to extract a common factor, we just have to divide that factor from each term, and then place it in front of the expression as a factor.
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A line parallel to the given one will have the same slope, 0.5. For the purpose here, it is convenient to start with a point-slope form of the equation, then simplify. For slope m and point (h, k), the equation of the line can be written as
... y = m(x -h) +k
We have m=0.5, (h, k) = (-9, 12), so the equation is ...
... y = 0.5(x +9) +12
... y = 0.5x +16.5
