[tex]x - 7 = - 22[/tex]
[tex]x - 7 + 7 = - 22 + 7[/tex]
[tex]x = - 15[/tex]
[tex]x + 8 = 15[/tex]
[tex]x + 8 - 8 = 15 - 8[/tex]
[tex]x = 7[/tex]
[tex]x - 2 = - 1[/tex]
[tex]x - 2 + 2 = - 1 + 2[/tex]
[tex]x =1[/tex]
[tex]x + 2 = 2[/tex]
[tex]x + 2 - 2 = 2 - 2[/tex]
[tex]x = 0[/tex]
[tex]x - 18 = 3[/tex]
[tex]x - 18 + 18 =3 + 18[/tex]
[tex]x = 21[/tex]
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[tex]x - 7 = - 22[/tex]
[tex]x - 7 + 7 = - 22 + 7[/tex]
[tex]x = - 15[/tex]
[tex]x + 8 = 15[/tex]
[tex]x + 8 - 8 = 15 - 8[/tex]
[tex]x = 7[/tex]
[tex]x - 2 = - 1[/tex]
[tex]x - 2 + 2 = - 1 + 2[/tex]
[tex]x =1[/tex]
[tex]x + 2 = 2[/tex]
[tex]x + 2 - 2 = 2 - 2[/tex]
[tex]x = 0[/tex]
[tex]x - 18 = 3[/tex]
[tex]x - 18 + 18 =3 + 18[/tex]
[tex]x = 21[/tex]