(2x + 5)*3 = 5x + 6x + 15
6x + 15 = 11x + 15 |-15
6x = 11x |-6x
0 = 5x |:5
x = 0
jak masz pytania to pisz na pw
(2x+5)*3 = 5x+6x+15
6x+15 = 5x+6x+15
6x-5x-6x = 15-15
-5x = 0 |:(-5)
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(2x + 5)*3 = 5x + 6x + 15
6x + 15 = 11x + 15 |-15
6x = 11x |-6x
0 = 5x |:5
x = 0
jak masz pytania to pisz na pw
(2x+5)*3 = 5x+6x+15
6x+15 = 5x+6x+15
6x-5x-6x = 15-15
-5x = 0 |:(-5)
x = 0
6x+15=11x+15
6x - 11x = 15 - 15
-5x = 0 | : -5
x = 0
x jest równe 0.