7 times 5
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It is: 5k-7
To express "7 times a number increased by 4" mathematically, you would write it as 7x + 4, where x represents the unknown number. This expression indicates that you multiply the number by 7 and then add 4 to the result. So, if the number is 5, the expression would be 7(5) + 4 = 35 + 4 = 39.
The expression (x+5)(x-7) = x^2 -2x -35
It can be: 7-4x as an algebraic expression
3(y+7)