Question

Resolva as equações.

a) 3x+6-2=12+x-3

b) 4+4x-10=20-2+2x

c)6+2x-3=18-x

d)-5+4x+10=55-x

e) 8+3x-4=16-x+12 ​

Answer 1

Resposta:

Explicação passo-a-passo:

a) 3x+4=9+x

3x-x=9-4

2x=5

x=5/2

b) 4x-6=2x+18

4x-2x = 18+6

2x=24

x=24/2

x=12

c) 2x+3=18-x

2x+x=18-3

3x=15

x=15/3

x=5

d) 4x+5=55-x

4x+x=55-5

5x=50

x=50/5

x=10

e) 3x+4=28-x

3x+x=28-4

4x=24

x=24/4

x=6