Answer:
slekfkcuisitifieieoslskslkskskskskskskskks
To evaluate when plugging in numerical values for variables, simply put the numerical values in the place of the corresponding variables:
Answer:
Replace one equation with the sum/difference of both equations and Yes
Step-by-step explanation:
In Khan Academy
the answer is -8, the 9 is negative and -9+1= -8
Answer:
10x +10 = 0
10x = -10
x = -1
Step-by-step explanation: