Question

RESOLVA AS EQUAÇOES SENDO U=Q=
3(x-10)=x-7



2x=5(x-72)

Answer 1

3(x-10)=x-7
3x-30=x-7
3x-x=-7+30
2x=23
x=23/2




2x=5(x-72)
2x-5x=-72
-3x=-72
x=-72/-3
x=24