if x+5=9 than x=4 solved by subtraction property of equality check by substation property 4+5=9
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The second equation is not complete and there is not sufficient information for a solution. It would make no sense for me to guess what a + b equals since, in that case, I may as well start posting my own questions and answering them!
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What is the number of integral solution to x plus y plus z equals 100?
The solution is (x, y, z) = (2.5, 1, 2.5).
no its not a solution