Question

10=X+8
15=x+20
4=x-10
7=x+8
X-1=5
2x+4=16
3x=15 resolver as equações 1grau

Answer 1

Resposta:

10=x+8

x=8-10

x=-2

15=x+20

x=20-15

x=5

4=x-10

x=-10-4

x=-14

7=x+8

x=8-7

x=1

x-1=5

x=5+1

x=6

2x+4=16

2x=16-4

2x=12

x=12/2

x=6

3x=15

x=15/3

x=5

Answer 2

Resposta:

Explicação passo-a-passo:

A). 10=x+8

X+9=10

X=10-9

X= 1

B). 15=X+20

X+20=15

X=15-20

X= -5

C). 4=X-10

X-10=4

X=4+10

X=14

D). 7=X+8

X+8=7

X= 7-8

X= -1

E). X-1=5

X=5+1

X= 6

F). 2x+4=16

2x=16-4

2x=12

X=12÷2

X=6

G). 3x=15

X=15÷3

X= 5