Question

Quantos que dar essas perguntas A) 10-4x=9+2x????
B) 4 (2x-3)=5(x+3)???
C)3 (2x-5)=9-2x
D)5x-4=8+2x
E)3y=18

Answer 1

a)10-4x=9+2x
-4x-2x=9-10
-6x=-1(-1)
6x=1
x=1/6
b)8x-12=5x+15
8x-x=15+12
7x=27
x=27/7
c)6x-15=9-2x
6x+2x=9+15
8x=24
x=24/8
x=3
d)5x-2x=8+4
3x=12
x=4
e)3y=18
y=18/3
y=6