7 * (c + 2) = 7 * c + 14
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It is the same as: -2q-3 as an algebraic expression
1/2 (x+y)
7x + 2
The expression 3x + 2 represents the sum of three times a variable x and the constant 2. This is an algebraic expression that can be simplified by combining like terms. To evaluate this expression, you need a specific value for x.
x = 2 is an algebraic equality (Because there is an 'equals'(=) sign) x - 2 is an algebraic expression ( Because there is NO equals sign).