Question

решите уравнения 2x-3=4 , 6x-2x+1=5 , 5-2/5x=11

Answer 1

2х-3=4
3+4=7
7/2=3,5
6х-2х+1=5
5-1=4
6х-2х=4
4/4=1

Answer 2

2x-3=4
2x=4+3
2x=7
x=7:2
x=3,5
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6x-2x+1=5
4x+1=5
4x=5-1
4x=4
x=4:4
x=1
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$5- frac{2}{5} x=11 \ - frac{2}{5}x=11- 5 \ - frac{2}{5} x=6 \ x=6*(- frac{5}{2} ) \ x=-15$