Question

Resolva as equacao do 1 grau a) x+2=10. b) x-8=15. c) 2x+4=12. d) 3x-10=32. e) 5x-8=3×+4. f) 4x=56

Answer 1

facil demais

a)x+2=10

x=10-2

x=8

b)x-8=15

x=15+8

x=23

c)2x+4=12

2x=12-4

2x=8/2

x=4

d)3x-10=32

3x=32+10

3x=42/3

x=14

e)5x-8=3x+4

5x-3x=4+8

2x=4/2

x=2

f)4x=56/4

x=14