What does x equal in 14(3x plus 4) plus x-5(14x-8)?

Answer 1

Impossible to say, because you have not equated the mathematical expression with any number.

Assuming it is zero(0)

Then

14(3x + 4) + x - 5(14x - 8) = 0

Multiply out the brackets

42x + 56 + x - 70x + 40 = 0

27x + 90 = 0

27x = -90

x = -90/27

x = -30 / 9

x = - 10 / 3 = -3 1/3 = -3.333.....