Three times the difference between a number x and 7 is 18. Then the number will be 13.
The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.
Let x be the number.
Three times the difference between a number x and 7 is 18. Then the equation will be
3(x - 7) = 18
Simplify the equation, then the value of the variable will be
x - 7 = 6
x = 13
Three times the difference between a number x and 7 is 18. Then the number will be 13.
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