Question

Gente socorro preciso disso urgente !
Resolva as equações :

b) y+4=9
c)2x=18
d)3m= - 21
e) 5x+2=17
f)4y -3 =13
g) 2m+3=9
h) 3x+4=2x+6

Answer 1

b) y=9-4=5
c)x=18/2=9
d)m=-21/3=-7
e)5x=17-2 5x=15 x=15/5 x=3
f)4y=13+3 4y=16 y=16/4=4
g)2m=9-3 2m=6 m=6/2
h)3x-2x=6-4 x=2

Answer 2

b) y=9-4
y=5

c)2×=18
×=18/2
×=9

d)m=-21/3
m=-7

e)5×=17-2
5×=15
×=15/5
×=3

f)4y=13+3
4y=16
y=16/4
y=4

g)2m=9-3
2m=6
m=6/2
m=3

h)3x-2×=6-4
1×=2
×=2/1
×=2