Question

Na)x+5=8 b)x-4=3

c)x+6=5

d) x-3=-7

e)x+9=-1

2) Resolva as seguintes equações

a) 3x = 15

b) 2x = 14

c) 4x=-12

d) 7x= -21

e) 13x = 13

3) Resolva as equações

a) 6x= 2x + 16 b) 2x-5=x+1

c) x + 2x + 3-5x = 4x-9 d) 5x + 6x-16= 3x + 2x - 4

e) 5x + 4 = 3x - 2x + 4​

Answer 1

1a) $x+5=8\quad :\quad x=3$

b) $x-4=3\quad :\quad x=7$

c) $x+6=5\quad :\quad x=-1$

d) $x-3=-7\quad :\quad x=-4$

e) $x+9=-1\quad :\quad x=-10$

2a) $3x=15\quad :\quad x=5$

b) $2x=14\quad :\quad x=7$

c) $4x=-12\quad :\quad x=-3$

d) $7x=-21\quad :\quad x=-3$

e) $13x=13\quad :\quad x=1$

3a) $6x=2x+16\quad :\quad x=4$

b) $2x-5=x+1\quad :\quad x=6$

c) $x+2x+3-5x=4x-9\quad :\quad x=2$

d) $5x+6x-16=3x+2x-4\quad :\quad x=2$

e) $5x+4=3x-2x+4\quad :\quad x=0$

(Espero ter ajudado, Bons estudos e tenha uma ótima noite.)