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substitute x for y vs substitute x with y

Both "substitute x for y" and "substitute x with y" are commonly used phrases in English. However, they have slightly different meanings. "Substitute x for y" means to replace y with x, while "substitute x with y" means to replace x with y. The choice between the two depends on the specific context and the intended meaning.

Last updated: March 15, 2024 • 1550 views

substitute x for y

This phrase is correct and commonly used in English.

This phrase is used when you want to replace y with x.

Examples:

  • You can substitute apples for bananas in this recipe.
  • Apr 30, 2011 ... An awful lot of people seem to use the phrase "substitute X for Y" to mean " replace X with Y", while I've always used and understood it as ...
  • (transitive) In the phrase "substitute X for Y", to use X in place of Y. With increasing frequency used in the semantically opposite sense (see the OED's notes).
  • Can someone please specify the correct usage of the word "substitute" (verb)? For example, "You can substitute X for Y."? Dictionary definitions that I have seen  ...
  • To substitute X for Y is to make the change Y-->X. Hi. I am afraid your explanation is not clear, because your little arrows are hard to understand ...

Alternatives:

  • replace y with x
  • exchange y for x
  • swap y for x
  • use x instead of y
  • trade y for x

substitute x with y

This phrase is correct and commonly used in English.

This phrase is used when you want to replace x with y.

Examples:

  • You can substitute sugar with honey in this recipe.
  • Apr 30, 2011 ... However, it should be noted that the use of to substitute X with Y is usually not recommended by style books: it is a blend of the old expressions ...
  • I found that x = y + 5 and so now I will go into equation Robin and substitute x with y + 5 to find the value of y (if it can be found). Here is equation Robin: 2x = 2y + ...
  • If both A and B have the same meaning, we can substitute X with Y and we arrive at the following sentence: (2) A triangle is a triangle. X X. If X and Y have the ...
  • As x is a changeable variable, you can substitute x with y. f(y)= 5(y^2)-8(y^2)+3(y ^2)= 0. From there, you know that one of the factors is (x-y). For the next part, ...

Alternatives:

  • replace x with y
  • exchange x with y
  • swap x with y
  • use y instead of x
  • trade x with y

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