altergMiabeau
altergMiabeau
23-11-2016
Mathematics
contestada
Simplify -4x - x.
-5x
-4x
-3x
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ItsUmbreon
ItsUmbreon
23-11-2016
When you have variables that share a base and power (in this case they are both x to the first power) you are allowed to add and subtract the coefficients as long as you keep the same base and power.
-4x - x = -5x
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