Question

resolver as equacoes x-5 =8 5c+2=3-9

Answer 1

x-5=8
x=8+5
x=13

5c+2=3-9
5c=3-9-2
5c=-8
c=-8/5
c=-1,6

Answer 2

x-5 =8 ==> x = 5+8==> x= 13
5c+2=3-9 ==> 5c = - 6-2==>5c= - 8==> c = - 5/8