Question

3*(4x+13)-25=7помогите пожалуйста

Answer 1

12х+39-25=7

12х=7+25-39

12х=-7

х=-0,58333

Answer 2

да

Answer 3

12*12-100+6-32-7

Answer 4

=?

Answer 5

11

Answer 6

Да мне 11 лет

Answer 7

3*(4x+13)-25 = 7
3*(4x+13) = 7+25
3*(4x+13) = 32
4x+13 = 32:3
4x+13 = 10²/₃
4x = 10²/₃-13
4x = 10²/₃-12³/₃
4x = -2¹/₃
4x = -⁷/₃
x = -⁷/₃:4
x = -⁷/₁₂
Ответ : -⁷/₁₂.