9x -13 egal 4 ori (2x+1)+x-17
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9x-13=4×(2x+1)+x-17
9x-13=2x+1+x=17-4
9x-13=2x+1+x=12
9x-13=3x+1=12
9x-13=x+1=12÷3
9x-13=x+1=4
9x-13=x=4-1
9x-13=x=3
9x+x=13-3
10x=10
x=10÷10
x=1
Sper ca te am ajutat !
9x-13=2x+1+x=17-4
9x-13=2x+1+x=12
9x-13=3x+1=12
9x-13=x+1=12÷3
9x-13=x+1=4
9x-13=x=4-1
9x-13=x=3
9x+x=13-3
10x=10
x=10÷10
x=1
Sper ca te am ajutat !
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