Question

Ajudem pff!!
a) 5x-2=3x+7+6

b) 9-x+2=-5x+3+2x

c)-x-2x-4=11

(se puderem colocar a conta)

Answer 1

a) 5x-3x=6+7+2
2x=15
x=15/2
x=7,5
b) 9-3+2=5x+2x+x
8=8x
1=x
c)-3x=15
3x=-15
x=-5