1)X + 38 = 113
X = 113 - 38
X = 75
2) 5A + 2A = 35
7A = 35
A = 5
3) B * B + 9 = 34
B^2 = 34 - 9
B^2 = 25
B = + 5 ; B = ( - 5 )
4) ( Y - 3 ) * ( 4 - Y ) = 0
Y- 3 = 0 ; Y = 3
4 - Y = 0 ; Y = 4
5) P + ( 27 - 19 ) = 34
P + 8 = 34
P = 34 - 8
P = 26
6) N : 8 = N : 6 - 2
N : 8 = ( N - 12 ) : 6
6N = 8*(N - 12 )
6N = 8N - 96
2N = 96
N = 48
7) 4K - 1 = 27
4K = 28
K = 7
8) 33C = 64 + C
32C = 64
C = 2
9) 7E + 28 = 84
7E = 56
E = 8