15-x=37 what is the value of x

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

8 0

Solve for x by simplifying both sides of the equation, then isolating the variable.

x = -22

galben [10]3 years ago

6 0

x=-22 is the correct answer. First you had to subtract by 15 from both sides of equation, and it gave us, $15-x-15=37-15$ . And then simplify, and it gave us, $-x=22$ . Then you divide by -1 from both sides of equation, and it gave us, $\frac{-x}{-1}=\frac{22}{-1}$ . And finally simplify, and it gave us the answer is x=-22 is the correct answer.  Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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The equation of a parabola is y=x^2-10x+27. Write the equation in vertex form

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$\begin{array}{rcll}y & = & x^{2} - 10x + 27 & \\y - 27 & = & x^{2} - 10x & \text{Subtracted 27 from each side}\\y - 27&= & x^{2} - 10x + 25 - 25 & \text{Added and subtracted (b/2)}^{2}\\y - 27&= & (x - 5)^{2} - 25 & \text{Wrote the first three terms as the square of a binomial}\\y& = & \mathbf{(x - 5)^{2} + 2} & \text{Added 27 to each side}\\\end{array}\\\text{The vertex form of the parabola is $\large \boxed{\mathbf{y = (x - 5)^{2} + 2 }}$}$ The figure below shows that your parabola has its vertex at (5,2).