Asked by caleb Rosa

Suppose that C and D are points on the number line. If =CD4 and D lies at −12, where could C be located?
Answered by x👎👎x
If "=CD4" means "CD=4" then C will be at either
-12 + 4 = -8
or
-12 - 4 = -16

That is, the distance between -12 and C is 4
|-12-C| = 4
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