Question

a)5x-5+x=9+x

b)7x-4-x=-2x+8-3x

b)2×-1=-3+x+4
resolva as equaçãos de 1°grau ​

Answer 1

Explicação passo-a-passo:

a)5x-5+x=9+x

5x+x-x=9+5

5x=14

x=14/5

b)7x-4-x=-2x+8-3x

7x-x+2x+3x=8+4

6x+5x=12

11x=12

x=12/11

b)2×-1=-3+x+4

2x-x=4-3+1

x=1+1

x=2