a, x - 35 = 120
x = 120 + 35
x = 155
b, 124 + ( 118 - x ) = 217
118 - x = 217 - 124
118 - x = 93
x = 118 - 93
x = 25
c, 156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
a) ( x - 35 _ - 120 = 0
x - 35 = 120
x = 120 + 35
x = 155
b) 124 + ( 118 - x ) = 217
118 - x = 217 - 124
118 - x = 93
x = 118 - 93
x = 25
c) 156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
( x - 35 ) - 120 = 0
x - 35 = 0 + 120
x - 35 = 120
x = 120 - 35
x = 155
124 + ( 118 - x ) = 217
118 - x = 217 - 124
118 - x = 93
x = 118 - 93
x = 25
156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
a) ( x - 35 ) - 120 = 0
<=> x - 35 = 120
<=> x = 155
b) 124 + ( 118 - x ) = 217
<=> 118 - x = 93
<=> x = 25
c) 156 - ( x + 61 ) = 82
<=> x + 61 = 74
<=> x = 13
a, (x - 35) - 120 = 0
b, 124 + (118 - x) = 217
c, 156 - (x + 61) = 82
a, ( x-35)-120 =0
x-35 =0+120
x-35=120
x=120+35
x=155