Respostas
respondido por:
1
A)
3x + 4 = 16
3x = 16 - 4
3x = 12
x = 12 / 3
x = 4
B)
5x + 18 = 3
5x = 3 - 18
5x = -15
x = -15 / 5
x = -3
C)
2x + 5 = 15
2x = 15 - 5
2x = 10
x = 10 / 2
x = 5
D)
4x + 10 = 2x + 12
4x - 2x = 12 - 10
2x = 2
x = 2 / 2
x = 1
E)
6x + 8 = 18 + 2
6x + 8 = 20
6x = 20 - 8
6x = 12
x = 12 / 6
x = 2
F)
10x + 2 = 2x + 66
10x - 2x = 66 - 2
8x = 64
x = 64 / 8
x = 8
3x + 4 = 16
3x = 16 - 4
3x = 12
x = 12 / 3
x = 4
B)
5x + 18 = 3
5x = 3 - 18
5x = -15
x = -15 / 5
x = -3
C)
2x + 5 = 15
2x = 15 - 5
2x = 10
x = 10 / 2
x = 5
D)
4x + 10 = 2x + 12
4x - 2x = 12 - 10
2x = 2
x = 2 / 2
x = 1
E)
6x + 8 = 18 + 2
6x + 8 = 20
6x = 20 - 8
6x = 12
x = 12 / 6
x = 2
F)
10x + 2 = 2x + 66
10x - 2x = 66 - 2
8x = 64
x = 64 / 8
x = 8
respondido por:
1
A)
3x + 4 = 16
3x = 16 - 4
3x = 12
x = 12 / 3
x = 4
B)
5x + 18 = 3
5x = 3 - 18
5x = -15
x = -15 / 5
x = -3
C)
2x + 5 = 15
2x = 15 - 5
2x = 10
x = 10 / 2
x = 5
D)
4x + 10 = 2x + 12
4x - 2x = 12 - 10
2x = 2
x = 2 / 2
x = 1
E)
6x + 8 = 18 + 2
6x + 8 = 20
6x = 20 - 8
6x = 12
x = 12 / 6
x = 2
F)
10x + 2 = 2x + 66
10x - 2x = 66 - 2
8x = 64
x = 64 / 8
x = 8
3x + 4 = 16
3x = 16 - 4
3x = 12
x = 12 / 3
x = 4
B)
5x + 18 = 3
5x = 3 - 18
5x = -15
x = -15 / 5
x = -3
C)
2x + 5 = 15
2x = 15 - 5
2x = 10
x = 10 / 2
x = 5
D)
4x + 10 = 2x + 12
4x - 2x = 12 - 10
2x = 2
x = 2 / 2
x = 1
E)
6x + 8 = 18 + 2
6x + 8 = 20
6x = 20 - 8
6x = 12
x = 12 / 6
x = 2
F)
10x + 2 = 2x + 66
10x - 2x = 66 - 2
8x = 64
x = 64 / 8
x = 8
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