Question

como fazer essa equação (14x-16).4=12.(6x+8)

Answer 1

(14x-16).4=12.(6x+8)
56x-64=72x+96
56x-72x=96+64
-16x=160.(-1)
16x=-160
x=-160/16
x=-10

Answer 2

$(14x-16).4=12.(6x+8)\to \\\\ 56x-64=72x+96\to \\\\ 56x-72x=96+64\to \\\\ -16x=160~(-1)\to \\\\16x=-160\to \\\\ x=- \dfrac{160}{16} \to \\\\ \boxed{x=-10}$