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Verified answer
A. X+7 = 13X = 13-7
X = 6
B. 8-a = 10
-a = 10-8
-a = 2
a = -2
C. 2x+5 = 11
2x = 11-5
X = 6:2
X = 3
D. -2p+9= 27
-2p = 27-9
P = 18 : (-2)
P = -9
E. -2x = 6
X = 6 : (-2)
X = -3
x + 7 = 13
x = 13 - 7
x = 6
b.
8 - a= 10
8 - 10 = a
-2 = a
c.
2x + 5 = 11
2x = 11 - 5
2x = 6
x = 6 : 2
x = 3
d.
-2p + 9 = 27
-2p = 27 - 9
-2p = 18
p = 18 : (-2)
p = -9
e.
-2x = 6
x = 6 : (-2)
x = -3