Question

Calcule o valor de X na equação 1/4 (x+12) = 3/2 - (x-3)

Answer 1

( x + 12 )/4 = 3/2 - ( x - 3 )/1
mmc = 4
x + 12 = 6 - 4 ( x - 3 ) =
x + 12 = 6 - 4x + 12 
x + 4x  = 6 + 12 - 12
5x = 6
x = 6/5 = 1   1/5  *