A) 5X+2X=4+3
B) -6+6=2-2X
C) 8X-4=6-2X
D) -4+2X=6-8X
E) 12+6-2X=16X
F) 8X+4X+8=3X-6
Me ajudem por favoooor
Respostas
respondido por:
3
A) 7x=7, x = 7/7, x=1.
B) 0=2 - 2x, 2x = 2, x =2/2, x=1.
C) 8x+2x = 6 + 4, 10x = 10, x=1.
D)2x+8x = 6 + 4, 10x= 10, x=1.
E) 18=16x+2x, 18 = 18x, 18x = 18, x = 1.
F)8x + 4x - 3x = -6-8, 9x = -14, x= -14/9.
B) 0=2 - 2x, 2x = 2, x =2/2, x=1.
C) 8x+2x = 6 + 4, 10x = 10, x=1.
D)2x+8x = 6 + 4, 10x= 10, x=1.
E) 18=16x+2x, 18 = 18x, 18x = 18, x = 1.
F)8x + 4x - 3x = -6-8, 9x = -14, x= -14/9.
itamarfernandop5jl33:
muito obrigado!
respondido por:
2
A) 5x + 2x = 4 + 3
7x = 7
x = 1
B) -6 + 6 = 2 - 2x
0 - 2 = -2x
-2x = -2
x = 1
C) 8x - 4 = 6 - 2x
8x + 2x = 6 + 4
10x = 10
x = 1
D) -4 + 2x = 6 - 8x
2x + 8x = 6 + 4
10x = 10
x = 1
E) 12 + 6 - 2x = 16x
18 - 2x = 16x
16x + 2x = 18
18x = 18
x = 1
F) 8x + 4x + 8 = 3x - 6
12x + 8 = 3x - 6
12x - 3x = -6 - 8
9x = -14
x = -14/9
7x = 7
x = 1
B) -6 + 6 = 2 - 2x
0 - 2 = -2x
-2x = -2
x = 1
C) 8x - 4 = 6 - 2x
8x + 2x = 6 + 4
10x = 10
x = 1
D) -4 + 2x = 6 - 8x
2x + 8x = 6 + 4
10x = 10
x = 1
E) 12 + 6 - 2x = 16x
18 - 2x = 16x
16x + 2x = 18
18x = 18
x = 1
F) 8x + 4x + 8 = 3x - 6
12x + 8 = 3x - 6
12x - 3x = -6 - 8
9x = -14
x = -14/9
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