Question

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Answer 1

a) 2x + 5 -5x = -1
-3x = -6
x = -6/-3
x = 2

b) 5 + 6x = 5x +2
6x - 5x = 2-5
x = -3

c) x +2x - 1 -3 = x
x-x+2x = 3+1
2x = 4
x = 4/2
x = 2

d) -3x +10 = 2x +8 +1
-3x -2x = 9 -10
-5x = -1
x = 1/5

e) 5x -5 + x = 9 + x
6x -x = 9+5
5x = 14
x = 14/5

f) 2x - 4 -x = -2x + 8 -3x
x + 2x +3x = 8 + 4
6x = 12
x = 12/6
x =2

g) -x -5 +4x = -2x +6x +15
3x +2x - 6x = 15+5
-x = 20
x = -20

Answer 2

Resposta:

a) 2x + 5 -5x = -1

-3x = -6

x = -6/-3

x = 2

b) 5 + 6x = 5x +2

6x - 5x = 2-5

x = -3

c) x +2x - 1 -3 = x

x-x+2x = 3+1

2x = 4

x = 4/2

x = 2

d) -3x +10 = 2x +8 +1

-3x -2x = 9 -10

-5x = -1

x = 1/5

e) 5x -5 + x = 9 + x

6x -x = 9+5

5x = 14

x = 14/5

f) 2x - 4 -x = -2x + 8 -3x

x + 2x +3x = 8 + 4

6x = 12

x = 12/6

x =2

g) -x -5 +4x = -2x +6x +15

3x +2x - 6x = 15+5

-x = 20

x = -20

Explicação passo-a-passo: