2x + 15 + 3x =35 oblicz niewiadoma i rozwiaz

2x + 15 + 3x =35 5x + 15 = 35 | - 15 5x = 20 | /5 x = 4 proszę o naj :))

2x + 15 + 3x =35 5x=20 1x=4

2x + 15 + 3x =35 5x + 15 = 35 /-15 5x = 20 /:5 x = 4