Question

(a) x+5=0

(B) x + 4= - 3

(C) x-2 = -3

(D) 7 = x + 1

(E) x + 8 = 12

(F) 5x + 5= -15

(G) 2x - 10 = 28


(F) 1+2x para x = 7

Answer 1

x=-5

x=-3-4

x=-7

x=-3+2

x=-1

-x=1-7(-1)

x=1+7

x=8

x=12-8

x=4

5x=-15-5

5x=-20

x=-20÷5

x=-4

2x=28+10

2x=38

x=38÷2

x=19

1+2. (7)

1+14

15