Question

qual é a resposta 4x-7=8x-2
4x-10=2x+2
2x+1=4x-7
9x+9+3x=15
16x-1=12x+3
3x-2=4x+9
5x-3+x=2x+9
17x-7x=x+18
x+x-4=17-2x+1
x+2x+3-5x=4x-9
5x+6x-16=3x+2x-4
5x+4=3x-2x+4

Answer 1

4x-7=8x-2
4x-8x=-2+7
-4x=5.(-1)
4x=-5
x=-5/4
x=-1,25
4x-10=2x+2
4x-2x=2+10
2x=12
x=12/2
x=6
2x+1=4x-7
2x-4x=-7-1
-2x=-8.(-1)
2x=8
x=8/2
x=4
9x+9+3x=15
9x+3x=15-9
12x=6
x=6/12 (:6)
x=1/2
16x-1=12x+3
16x-12x=3+1
4x=4
x=4/4
x=1
3x-2=4x+9
3x-4x=9+2
-x=11.(-1)
x=-11
5x-3+x=2x+9
5x+x-2x=9+3
6x-2x=12
4x=12
x=12/4
x=3
17x-7x=x+18
17x-7x-x=18
17x-8x=18
9x=18
x=18/9
x=2
x+x-4=17-2x+1
2x+2x=17+1+4
4x=22
x=22/4 (:2)
x=11/2
x+2x+3-5x=4x-9
x+2x-5x-4x=-9-3
3x-9x=-12
-6x=-12.(-1)
6x=12
x=12/6
x=2
5x+6x-16=3x+2x-4
5x+6x-3x-2x=-4+16
11x-5x=12
6x=12
x=12/6
x=2
5x+4=3x-2x+4
5x-3x+2x=4-4
2x+2x=0
4x=0
x=0/4
x=0

Answer 2

qual é a resposta 4x-7=8x-2=

4x-8x=-2+7

-4x=5.(-1)

4x=-5

x=-5/4

x=-1,25

4x-10=2x+2

4x-2x=2+10

2x=12

x=12/2

x=6

2x+1=4x-7

2x-4x=-7-1

-2x=-8.(-1)

2x=8

x=8/2

x=4

9x+9+3x=15

9x+3x=15-9

12x=6

x=6/12 (:6)

x=1/2

16x-1=12x+3

16x-12x=3+1

4x=4

x=4/4

x=1

3x-2=4x+9

3x-4x=9+2

-x=11.(-1)

x=-11

5x-3+x=2x+9

5x+x-2x=9+3

6x-2x=12

4x=12

x=12/4

x=3

17x-7x=x+18

17x-7x-x=18

17x-8x=18

9x=18

x=18/9

x=2

x+x-4=17-2x+1

2x+2x=17+1+4

4x=22

x=22/4 (:2)

x=11/2

x+2x+3-5x=4x-9

x+2x-5x-4x=-9-3

3x-9x=-12

-6x=-12.(-1)

6x=12

x=12/6

x=2

5x+6x-16=3x+2x-4

5x+6x-3x-2x=-4+16

11x-5x=12

6x=12

x=12/6

x=2

5x+4=3x-2x+4

5x-3x+2x=4-4

2x+2x=0

4x=0

x=0/4

x=0