Question

simplifique e resolva as equaçoes
 
a)4x-3-x+ 8=11
b)6(x-2)=12
c)10x+4(3-2x)-6=8
d)3(5+3x)+5(x-1)=22
e) 2(9x-4)-(7+6-5x)3=18
       (com conta pf)

Answer 1

4x-3-x+8=11
4x-x=11+3-8
3x=6
x=6/3
x=2

Answer 2

6 (x-2)=12

6x-12=12

6x=12+12

6x=24

X=24÷6

X=4