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Q: Answer each equation math 2r - 3.1 1.7 and 4r plus 3.5 12.5 and 8m - 5.5 10.1 with solutions pls?
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-7 plus 12?

The equation -7 plus 12 equals out to be five. This is a math problem.


How many positive integer solutions are there to the equation x plus y plus z equals 17?

There are 120 solutions.


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It often helps to take square roots on both sides of the equation. However, solutions to the original equation may be lost - it is often convenient to put a "plus or minus" sign so as not to lose solutions. Example: x2 = 25 Taking square roots: x = "plus or minus" 5


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