expression means to yell or say soming loud
expression means to yell or say soming loud
Yes and the parts are terms of the expression.
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It means you replace each instance of the given variable with the given value. For instance, you have the following equation: A(A+2A)= B Then someone says to "substitute the value '4' for each instance of 'A'. You'd just replace them, and get: 4 ( 4 + 2(4)) = B