a)
-7x - 8 = 18
-7x = 26
7x = -26
x = - 26/7
b)
1/3 x + 12 - 2 1/2 x = 38
1/3 x - 5/2 x = 38 - 12
2/6 x - 15/6 x = 26 | *6
-13x = 156
x = -12
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a)
-7x - 8 = 18
-7x = 26
7x = -26
x = - 26/7
b)
1/3 x + 12 - 2 1/2 x = 38
1/3 x - 5/2 x = 38 - 12
2/6 x - 15/6 x = 26 | *6
-13x = 156
x = -12