问题
解答题
93减去x的差等于31加x的和，求x的值．
答案
93-x=31+x，
93-x+x=31+x+x，
93-31=31+2x-31，
62÷2=2x÷2，
x=31，
答：x的值是31．
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93减去x的差等于31加x的和，求x的值．
93-x=31+x，
93-x+x=31+x+x，
93-31=31+2x-31，
62÷2=2x÷2，
x=31，
答：x的值是31．
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