100 - 3p = 88
-3p = 88 - 100
-3p = -12
p= (-12/-3)
p = 4
so
100 - 3 * 4 = 88
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3p +12= 7p 7p-3p=12 12?3=4 p=4
5x+12 = 4x-88 x = -100
3p = 2p + 12subtracting 2p from both sidesp = 12 ■
16p + 6q - 3p - 8q = (16p - 3p) + (6q - 8q) = 13p -2q
3p+5+p = -23 3p+p = -23-5 4p = -28 p = -7