Ответ:
1) 5x-3=7
5x=7+3
5x=10
x=10÷5
x=2
2) 3(x+2)-2=2x-1
3x+6-2=2x-1
3x+4=2x-1
3x-2x=-1-4
x=-5
3) x-5/2=4
x-5=4×2
x-5=8
x=8+5
x=13
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Verified answer
Ответ:
1) 5x-3=7
5x=7+3
5x=10
x=10÷5
x=2
2) 3(x+2)-2=2x-1
3x+6-2=2x-1
3x+4=2x-1
3x-2x=-1-4
x=-5
3) x-5/2=4
x-5=4×2
x-5=8
x=8+5
x=13