а) (39.4 - Х) + 2.004 = 039.4 - Х + 2.004 = 041.404 - Х = 0Х = 41.404
б) (у - 0.18) * 0.2 = 3у - 0.18 = 3 / 0.2у - 0.18 = 15у = 15 + 0.18у = 15.18
в) 7.03 / (х + 1.4) = 1.97.03 = 1.9 * (х + 1.4)7.03 = 1.9х + 2.661.9х = 7.03 - 2.661.9х = 4.37х = 4.37 / 1.9х ≈ 2.301
г) 7.3х - 2.4 = 107.17.3х = 107.1 + 2.47.3х = 109.5х = 109.5 / 7.3х ≈ 15.00
а) (39.4 - Х) + 2.004 = 0
39.4 - Х + 2.004 = 0
41.404 - Х = 0
Х = 41.404
б) (у - 0.18) * 0.2 = 3
у - 0.18 = 3 / 0.2
у - 0.18 = 15
у = 15 + 0.18
у = 15.18
в) 7.03 / (х + 1.4) = 1.9
7.03 = 1.9 * (х + 1.4)
7.03 = 1.9х + 2.66
1.9х = 7.03 - 2.66
1.9х = 4.37
х = 4.37 / 1.9
х ≈ 2.301
г) 7.3х - 2.4 = 107.1
7.3х = 107.1 + 2.4
7.3х = 109.5
х = 109.5 / 7.3
х ≈ 15.00