( x - 35 ) - 120 = 0
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\(\left(x+35\right)-120=0\)
\(x+35-120=0\)
\(x-85=0\)
\(x=85\)
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a: (x-35)-120=0
=>x-35=120
=>x=120+35=155
b: 59(x-29)=0
=>x-29=0
=>x=29
c: 2x+3x=45:3
=>5x=15
=>x=3
`@` `\text {Ans}`
`\downarrow`
`(x - 35) - 120 = 0`
`x - 35 = 0 + 120`
`x - 35 = 120`
`x = 120+ 35`
`x = 155`
Vậy, `x = 155`
____
`(x - 29)*59 = 0`
`x - 29 = 0 \div 59`
`x - 29 = 0`
`x = 0 + 29`
`x = 29`
Vậy, `x= 29`
____
`2x + 3x = 45 \div 3`
`(2 + 3)x = 15`
`5x = 15`
`x = 15 \div 5`
`x = 3`
Vậy, `x = 3.`
![](https://rs.olm.vn/images/avt/0.png?1311)
(x-35)-120=0
x-35=0+120
x-35=120
x=120+35
x=155
( x - 35 ) - 120 = 0
x - 35 = 0 + 120
x - 35 = 120
x = 120 + 35
x = 155
![](https://rs.olm.vn/images/avt/0.png?1311)
( x - 35 ) - 120 = 0
x - 35 = 0 + 120
x - 35 = 120
x = 120 + 35
x = 155
(x-35)-120=0
x-35 =0+120
x-35 =120
x =120+35
x =155
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
(x - 35) - 120 = 0
(x - 35) = 0 + 120
(x - 35) = 120
x = 120 + 35
x = 155
(x-35)-120 = 0
=> x-35 = 0 + 120
=>x-35 = 120
=> x = 120 + 35
=> x = 155