2x + 21 = 97
2x = 76
x = 38
Check it.
5 x 38 + 21- 3 x 38
190 + 21 - 114
211 - 114 = 97
It checks.
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x = -5
-5x=3+y x=-1/5y-3/5
yes there is.-5x+1=-10-5x=-11-x=-11/5x=11/5
x=-2, y=2
That equation has no solution. There is no possible number that's equal to 18 more than itself.