Answer:
first, by using inverse operations subtract 10 on both sides.
4-10 is -6. whys the 6 negative? because the number takes the sign of the bigge number.
Divide by 2 to isolate x
In multiplication and division one negative sign stays and 2 negative signs cancel eachother but here theres only one negative sign so;
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D. 1,211
Step-by-step explanation:
857 + 354 = 1,211 runners
6:15 6 to 15 it's the same o