a) (x- 35 ) - 100 = 0
(x- 35 ) = 0 + 100
(x- 35 ) = 100
x = 100 + 35
x = 135
b) 120 + ( 118 - x ) = 213
( 118 - x ) = 213-120
( 118 - x ) = 93
x = 118 - 93
x = 25
c) 150 - ( x + 60 ) = 76
( x + 60 ) = 150 - 76
( x + 60 ) = 74
x = 74 - 60
x = 14
a) ( x - 35 ) - 100 = 0
-> x - 35 - 100 = 0
-> x - 135 = 0
-> x = 135
b) 120 + ( 118 - x ) = 213
-> 118 - x = 213 - 120
-> 118 - x = 93
-> x = 118 - 93
-> x = 25
c) 150 - ( x + 60 ) = 76
-> x + 60 = 150 - 76
-> x + 60 = 74
-> x = 14
CHÚC BẠN HỌC TỐT !!! >...<
a, (x-35) - 100 = 0
x-35 = 100
x = 135
b, 120 + (118-x) = 213
118-x = 93
x = 25
c, 150 - (x+60) = 76
x+60 = 74
x = 14
k mik nha, ths nhiều