Practice
Solve for x.a) -20 =
140
2
14
x140
b) 76 =
-64
19
16
x-64
c) -77 =
77
16
16
x77
d) 648 =
-144
9
2
x-144
e) -45 =
51
15
17
x51
f)
-129
12
6
x =-258-129
g) -376 =
94
16
4
x94
h) 20 =
40
4
8
x40
i)
36
11
9
x =4436
j) -165 =
88
15
8
x88
