1/2x + 1 = 1/3 ( x + 3/4 )
1. - 1.5
2. -7.5
3. 3/2
4. -0.9

(–20х – 50) ∙ 2 = 100
1. -5
2. 0
3. -12.5
4. -10

х+5(2-4х)=29
1. 29/30
2. -2.9
3. - 24
4. -1

Ychenik2525    1   12.05.2020 11:52    0