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Q: What does 15--13 equal 15 --13 equals 28 because a minus and a minus equals a plus so the equation is actually 15 plus 13 equals 28 p.s. i am only 10 years old?

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If it has an equals sign it is called an equation. without an equal sign is called and expression because it expresses what is happening for example. x^2*x*1 is just an expression stating something u don't actually have an answer.

It equals to the equation of a straight line.

Yes and they will be of equal value

t is equal to 6

The equation is true because of the reflexive property of equality which states in words that every quantity is equal to inself.

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Yes that is correct

A formula does not have an equal sign. An equation has an equal sign. That's why it is an equation.

If it has an equals sign it is called an equation. without an equal sign is called and expression because it expresses what is happening for example. x^2*x*1 is just an expression stating something u don't actually have an answer.

It equals to the equation of a straight line.

28

Yes, it does. An equation is something that equates something to something else, by means of the 'equals' sign.

it's actually quite simple, you just have to think a little, the equation would be... 9-(9 divided by 9) ^^= 8 because 9 divided by 9 equals 1 and 9 minus 1 equals 8!

the answer is 33.333333333

x=0

equal

Yes and they will be of equal value

An "equals" sign. That's why it is an equation, two parts are equal.

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