Question

calcule as equações do 1 grau abaixo a)2x+1=5 b)5y+1=26-1+y c)4x-2x=32+0 d)2x+6=12​

Answer 1

Resposta:

a) 2x+1=5

2x=5-1

2x = 4

X =2

b) 5y+1=26-1+y

5y+1=25+y

5y-y=25-1

4y= 24

y= 6

c) 4x-2x=32+0

4x-2x=32

2x=32

x=16

d) 2x+6=12

2x = 12-6

2x = 6

X = 3