2) 8 / (√2)x = 43x–2 · √2
3) 91/2 x – 1 – 3 = 0
4) 273 – 1/3 x – 81 = 0
5(2x–4)–(1/2)–5–x+7,5= 0
52x–4,5=5–x+7,5
2x–4,5=–x+7,5
3x=12
x=4
2.
23–(x/2)=2(6x–4)+(1/2)
3–(x/2)=6x–4+(1/2)
13x=13
x=1
3.
32·(1/2x)–2=3
1/x–2=1
1/x=3
x=1/3
4.
39–x=34
9–x=4
x=5