a variable minus a number and the same variable is
b-6b= -5b
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Just the number, for example: 7x the variable is 7. The variable is the number without the variable(x,y,z, etc.)
the coefficient of the variable
Independent variable: number of completed passes Dependent variable: number of touchdowns scored
No, it becomes a plus, since minus x minus = plus
A variable comes after the number 2n+5n=7n