问题
解答题
若2x+8=7x-17,则x=______.
答案
2x+8=7x-17,
2x+8-2x=7x-17-2x,
8=5x-17,
5x-17=8,
5x-17+17=8+17,
5x=25,
5x÷5=25÷5,
x=5.
故答案为:5.
若2x+8=7x-17,则x=______.
2x+8=7x-17,
2x+8-2x=7x-17-2x,
8=5x-17,
5x-17=8,
5x-17+17=8+17,
5x=25,
5x÷5=25÷5,
x=5.
故答案为:5.