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OpenStudy (anonymous):
5. use mental math to determine the solution to x - 3 = 10 ( 1point ) A. x=7 b. x=13 c.x=30 d.x=0
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OpenStudy (anonymous):
@iGreen
OpenStudy (igreen):
Add 3 to both sides: x -3 + 3 = 10 + 3 x + 0 = 10 + 3 x = 10 + 3 x = 13
OpenStudy (anonymous):
correct
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