• Matéria: Matemática
  • Autor: gm0178234
  • Perguntado 3 anos atrás

alguém me ajuda pfvr ???

-4 = x + 8

-1 = x -3

10 = x - 5

-100 = x + 200

-8 = x + 10

-3 = x + 21

-21 = x + 7

-137 = x - 37

5 - 2 = x + 33

-340 = x +120

-81= x + 9

+7 = -x + 28

-10=-x+40

-144 = x + 9

Respostas

respondido por: joaovm1000
1

-4 = x + 8

-x=8+4

x=-8-4

x=-13

-1 = x -3

-x=1-3

x=3-1

10 = x - 5

-x=-5-10

x=10+5

x=15

-100 = x + 200

-x=200+100

x=-200-100

x=-300

-8 = x + 10

-x=10+8

x=-10-8

x=-18

-3 = x + 21

-x=21+3

x=-21-3

x=-24

-21 = x + 7

-x=7-21

x=21-7

x=14

-137 = x - 37

-x=137-37

x=37-137

x=-100

5 - 2 = x + 33

3=x +33

-x=33-3

x=3-33

x=-30

-340 = x +120

-x=120+340

x=-120-340

x=-460

-81= x + 9

-x=9+81

x=-9-81

x=-90

+7 = -x + 28

x=28-7

x=21

-10=-x+40

-x=10+40

x=-10-40

x=-50

-144 = x + 9

-x=9+144

x=-9-144

x=-153

respondido por: emanuellecabral3
1

Resposta: -4 = x + 8

-x=8+4

x=-8-4

x=-13

-1 = x -3

-x=1-3

x=3-1

10 = x - 5

-x=-5-10

x=10+5

x=15

-100 = x + 200

-x=200+100

x=-200-100

x=-300

-8 = x + 10

-x=10+8

x=-10-8

x=-18

-3 = x + 21

-x=21+3

x=-21-3

x=-24

-21 = x + 7

-x=7-21

x=21-7

x=14

-137 = x - 37

-x=137-37

x=37-137

x=-100

5 - 2 = x + 33

3=x +33

-x=33-3

x=3-33

x=-30

-340 = x +120

-x=120+340

x=-120-340

x=-460

-81= x + 9

-x=9+81

x=-9-81

x=-90

+7 = -x + 28

x=28-7

x=21

-10=-x+40

-x=10+40

x=-10-40

x=-50

-144 = x + 9

-x=9+144

x=-9-144

x=-153

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