Question

Resolva as equações, sendo u=Q:
A) 6×=2× +16
B)2× -5= ×+1
C)2× +3=× +4
D)5× +7=4× +10
E)4× -10=2× +2
F)4× -7=8× -2
G)2× +1=4× -7
H)9× +9 +3×=15
I)16× -1=12×+3
J)3× -2=4×+9

Answer 1

Resposta:

A)6x=2x+16  

6x-2x=16

4x=16

x=16/4

x=4

B) 2x-5=x+1

2x-x=1+5

x=6

C)2x+3=x+4

2x-x=4-3

x=1

D)5x+7=4x+10

5x-4x=10-7

x=3

E)4x-10=2x+2

4x-2x=2+10

2x=12

x=12/2

x=6

F)4x-7=8x-2

4x-8x=-2+7

-4x=5

x=5/-4

x=1