Question

1) Resolva as equações
A) 10X-5X=100
B) 3X=60
C) X+2=4
D) 2X+3=7
E) 3 (X-4)= 2X
F) X+6=2+6

Me ajudem por favor!!

Answer 1

A)5X=100
X=100/5
X=20

B)X=60/3
X=20

C)X+2=4
X=4-2
X=2

D)2X+3=7
2x=3-7
2x=-4
X=-4/2
X=-2

E)3X-12=2X
2X-3X=12
-X=12.(-1)
X=-12

F) X+6=2+6
X=2+6-6
X=2

Espero ter ajudado.

Answer 2

A) 10x-5x=100
5x=100
x=100/5
x=20

B)3x=60
x=60/3
x=20

C)x+2=4
x=4-2
x=2

D)2x+3=7
2X=7-3
2X=4
x=4/2
x=2

E)3(x-4)=2x
3x-12=2x
3x-2x=12
x=12

F)x+6=2+6
x+6=8
x=8-6
x=2

Espero ter ajudado!