lin rode her bike 2 miles in 8 miles. she rode at a constant speed. if lin travels 20 miles, how long will take her??

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

answer:

c) the x-coordinate of the center of the circle increases by 3

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