If by = 4, yc = 7, xc = 10. which of the following proportions could be used to solve for ac? 4/7 = 10/ac 7/4 = 10/ac 4/11 = 10/ac 7/11 = 10/ac

x=6 and x=3

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exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.