Розвяжите пож:
1. 65+(х+23)=105
2. (у-34)-10=32
3. (48-х)+35=82
4. 77-(28+у)=27
5. 90+у*8=154
6. 9х+50=86
7. 120:(х-19)=6
Розвяжите пож:
1. 65+(х+23)=105
2. (у-34)-10=32
3. (48-х)+35=82
4. 77-(28+у)=27
5. 90+у*8=154
6. 9х+50=86
7. 120:(х-19)=6
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Answers & Comments
х+23=105-65
х+23=40
х=40-23
х=17
2. (у-34)-10=32
у-34=32+10
у-34=42
у=42+32
у=74
3. (48-х)+35=82
48-х=82-35
48-х=47
х=48-47
х=1
4. 77-(28+у)=27
28+у=77-27
28+у=50
у=50-28
у=22
5. 90+у*8=154
у*8=154-90
у*8=64
у=64:8
у=8
6. 9х+50=86
9х=86-50
9х=36
х=36:9
х=4
7. 120:(х-19)=6
х-19=120:6
х-19=20
х=20+19
х=39