Question

5) Resolva as equações sendo U=Q:
a) x + 4 = 9
b) y - 12 = -4
c) = 2
ca. 20 =9-4
- 5
d)
9
e) 98-8 = 12 + 3x
4x-3 = +2x+10​

Answer 1

Resposta:

a) x=9-4

x=5

b) y= -4 +12

y= 8

c) ?

d) ?

e) 90 - 12 =3x

78=3x

78/3=x

x=23

4x-2x=10+3

2x=13

x=13/2

x=6,5