a) x . 2 = 30 =
30 = 2x =
30/2 =
x = 15
b) z = 150 - 82 =
z = 68
c) x = 100 - 36 =
x = 64
d) x = 25 . 2 =
x = 50.
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a) x . 2 = 30 =
30 = 2x =
30/2 =
x = 15
b) z = 150 - 82 =
z = 68
c) x = 100 - 36 =
x = 64
d) x = 25 . 2 =
x = 50.