Answer:
Step-by-step explanation:
We want to isolate the x.
Now, we want the x not to have a coefficient. We want it just to be x =. We will do this via inverse operations. Since 3 x is 3 multiplied by x, we will divide each side by 3.
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Answer:
mulitply 2nd equation by 2
we will get
6x+6y=-10
6x-10y=-22
Subtract 2nd from 1 you will get value of y and out the value of y in 1st equation you'll get the value of x
Answer:
256
Step-by-step explanation:
if im wrong sorry but i highly doubt i am
Add and divide by 2 remembering the key 543+539= 546