please solve all these answers.
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1. 56+x=123
x=67.
2. 45+(3x+16)+68=180
x=180-129/3
=51/3=17
3. 25+30+x=180
x=125
4. 2x +7=45
x=19
5.3x+10+3x+10+2x=180
5x+20=180
x=160/5=32
x=67.
2. 45+(3x+16)+68=180
x=180-129/3
=51/3=17
3. 25+30+x=180
x=125
4. 2x +7=45
x=19
5.3x+10+3x+10+2x=180
5x+20=180
x=160/5=32
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