rozwiąż równanie. 3x+5x+45(1/3x - 1/5x) + 15 = 15x
3x+5x+45(1/3x - 1/5x) + 15 = 15x
8x+15x-9x+15=15x
8x+15x-9x-15x=-15
-x=-15/:-1
x=15
3x+5x+45(1/3x - 1/5x) + 15 = 15x3x+5x+15x-9x+15=15x3x+5x+15x-9x-15x= - 15-x= -15 / : (-1)x= 15
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3x+5x+45(1/3x - 1/5x) + 15 = 15x
8x+15x-9x+15=15x
8x+15x-9x-15x=-15
-x=-15/:-1
x=15
3x+5x+45(1/3x - 1/5x) + 15 = 15x
3x+5x+15x-9x+15=15x
3x+5x+15x-9x-15x= - 15
-x= -15 / : (-1)
x= 15