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2×(3x+2)-22=5×(×+1)+78

Răspuns :

6x+4-22=5x+5+78
6x-5x=78+22-4
x=96
2×(3x+2)-22=5×(x+1) +78....... (2×3x)+(2×2)-22 = 5×x + 5×1+78.........6x+4-22= 5x+5+78 ............ 6x-5x= -4+22+5+78 ........ 1x = 18+5+78....... x= 23+78.... x = 101