Question

1)3x-4=2x+8
2)7x-2+4=10+5x
3)5x+7=4x=10+5x
4)4x-10=2x+2​

Answer 1

Resposta:

1)12

2)4

3)-3/4

4)6

Explicação passo-a-passo:

1) 3x-2x= 8+4

x = 12

2) 7x-5x= 10+2-4

2x = 8

x = 4

3) 5x-5x-4x= 10-7

-4x = 3 .(-1)

4x = -3

x = -3/4

4) 4x-2x = 2+10

2x = 12

x = 6