a number sentence contains an equal sign
This question is self-contradictory!
a number sentence.
7 x 8 is not a number sentence because it does not have an equal sign (=) and it does not have a solution.
An equation.
An equation
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a number sentence contains an equal sign
Equation
This question is self-contradictory!
a number sentence.
A number sentence that equals or that has an equal sign.
An open number sentence is a sentence which contains a variable. A variable is a unknown number but replaced with a letter and can be on either side of an equals sign.
7 x 8 is not a number sentence because it does not have an equal sign (=) and it does not have a solution.
Is a number sentence that does not equal anything or has an equal sign.
An equation.
an equation is a number sentence with and = sign