Question

×/9 =8x-1/2

me ajudem pfv?!

Answer 1

x/9=8x-1/2 (junte todos os x)
x/9 - 8x = -1/2 ( faça a soma de x/9 - 8x)
x-72x/9 = -1/2
-71x/9 = -1/2
-71x = -1/2 * 9
-71x = -9/2
-142x = -9
x = -9/-142
x= 9/142