Well, isn't that just a happy little expression! To represent "three more than a number" in algebra, you would write it as "x + 3," where "x" represents the unknown number. Just like adding a touch of color to a painting, adding 3 to a number can bring a new dimension to your mathematical expressions.
3x +3
3+10x
3x + 7
x+29
X = " a number " X + 20
The algebraic expression for "five more than three times some number" is 3x + 5, where x represents the unknown number.
3x +3
3+10x
3x + 7
a common factor
n = number. (3/7)n + 12 ========
3+ 6/n
The algebraic expression for "3 more than a number" can be written as x + 3, where x represents the unknown number. In this expression, the variable x is being increased by 3. This expression can be simplified further if needed, but the basic form is x + 3.
One more than the square of x
Let the number be a a + 8
The algebraic expression would be 8n + 3, where n represents the unknown number.
x+29