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Q: How would you write an algebraic equation twice a number plus 4 is 19?

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3a-6x2

Let's call "a number" x. Twice that number would be 2x, and then add 27, so the expression would be 2x + 27.

Simplifying an equation often helps solve it.

The corresponding expression would be 2x - 6 = 4.

Expressed as an algebraic equation, this would equal 3w.

As it appears, there is no equation but an algebraic term.

Without m in the algebraic equation the line would have no steepness.

No, it is an arithmetic equation. There are no variables involved, only numeric constants and, as a result, most people would not consider it algebraic.

It is the equality sign that makes it an equation because without the equality sign it would be an algebraic expression.

3>2x

It would look like: 5x = 3x+6 and the value of x works our as 3

That is an algebraic equation. If you are asking what the solution is for the above equation, it would be:d = 7

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