Question

Como resolver :
5x-10= x+1/2

Answer 1

5x-10=x+1/2
5x-x=1/2+10
mmc=2
10x/2-2x/2=1/2+20/2
10x-2x=1+20
8x=21
x=21/8

Answer 2

5x-10=x+1/2

isole as incógnitas (x)
(quando muda de termo muda o sinal)
5x-x=1/2+10
4x= 21/2
x=21/2/4
x=21/8

fim