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JulsSmile [24]
3 years ago
6

Solve 4x + 11 = k for x.

Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0

Answer:

Step-by-step explanation:

Simplifying

4x + 11 = k

Reorder the terms:

11 + 4x = k

Solving

11 + 4x = k

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-11' to each side of the equation.

11 + -11 + 4x = -11 + k

Combine like terms: 11 + -11 = 0

0 + 4x = -11 + k

4x = -11 + k

Divide each side by '4'.

x = -2.75 + 0.25k

Simplifying

x = -2.75 + 0.25k

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The coordinates of point B are : (-1, 1)

Step-by-step explanation:

\frac{-7+x^{2} }{2} = -4\\\frac{1+y^{2} }{2} =1 You multiply -4 by 2 which gives you -8 then you multiply 1 by 2 which gives 2.

Then you create the equations -7 + x^{2} = -8\\1 + y^{2} = 2 you substitute -7 for +7 and add 7 to -8 which gives -1 (x^{2}) and subtract 1 from 2 which gives you 1 (y^{2})

To check your answer use the midpoint formula \frac{-7+-1}{2} =\frac{-8}{2} =-4\\\frac{1+1}{2} =\frac{2}{2} =1 which gives you your midpoint (-4,1)

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