2x+10-x*2,50=23
2x+10-2,5x=23
-0,,5x=13/÷0,5
x=26
-0,5x+10=23
-0,5x=13
x=13:(-0,5)
x=-26
2x-x*2,50=13
x(2-2,50)=13
x=13*(-2)
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2x+10-2,5x=23
-0,,5x=13/÷0,5
x=26
2x+10-2,5x=23
-0,5x+10=23
-0,5x=13
x=13:(-0,5)
x=-26
2x+10-x*2,50=23
2x-x*2,50=13
x(2-2,50)=13
x=13*(-2)
x=-26