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3(2x-1)+4(x+2)-15=5(x+1)+35​

Răspuns :

6x-3+4x+8-15=5x+5+35

10x-10=5x+40

5x=50

x=10

6x - 3 + 4x + 8 - 15 = 5x + 5 + 35

10x - 10 = 5x + 40

10x - 5x = 40 + 10

5x = 50

5x = 50 / 5

x = 10.