Question

Determine o valor de X na equação a seguir aplicando as técnicas resolutivas.
A) 6 - 4 . ( x + 6 ) = 2x - 36

B) 100 + ( 6x - 8 ) = 4 . ( 6x - 8 ) + 52

Answer 1

Resposta:

A)

$\Large{\begin{array}{i}\sf6-4.(x+6)=2x-36\\ \sf 6-4x-24=2x-36\\ \sf-4x-2x=-36-6+24\\ \sf-6x=-18\\ \sf x=\dfrac{-18}{-6}\\ \\ \sf x=3\end{array}$

B)

$\Large{\begin{array}{i}\sf100+(6x-8)=4.(6x-8)+52\\ \sf 100+6x-8=24x-32+52\\ \sf 6x-24x=-32+52-100+24\\ \sf -18x=-132+60\\ \sf -18x=-72\\ \\ \sf x=\dfrac{-72}{-18}\\ \\ \sf x=4\end{array}$