4 Реши уравнения: (15+x) · 4 = 88 96: x + 27 = 33 51: (x - 29) = 17

Решим уравнения:

1. $$\begin{aligned}(15+x) \cdot 4 &= 88 \\15+x &= 88 : 4 \\15 + x &= 22 \\x &= 22 - 15 \\x &= 7\end{aligned}$$
2. $$\begin{aligned}96 : x + 27 &= 33 \\96 : x &= 33 - 27 \\96 : x &= 6 \\x &= 96 : 6 \\x &= 16\end{aligned}$$
3. $$\begin{aligned}51 : (x - 29) &= 17 \\x - 29 &= 51 : 17 \\x - 29 &= 3 \\x &= 3 + 29 \\x &= 32\end{aligned}$$

Ответ: x = 7; x = 16; x = 32