Alguém me ajuda pfvvv!?!?!?
Soluções para a tarefa
Resposta:
o2opmsplq megalomania wkwlqp1vxmqhq
a) x + 5 = 8
x = 8 - 5
x = 3
b) y + 12 = 25
y = 25 - 12
y = 13
c) x + 9 = 5
x = 5 - 9
x = - 4
d) y + 20 = - 15
y = - 15 - 20
y = - 35
e) x - 3 = 7
x = 7 + 3
x = 10
f) y - 12 = 30
y = 30 + 12
y = 42
g) x - 5 = - 2
x = - 2 + 5
x = 3
h) y - 16 = - 20
y = - 20 + 16
y = - 4
i) 2 . x = 8
2x = 8
x = 8
---
2
x = 4
j) 3 . y = 15
3y = 15
y = 15
----
3
y = 5
k) 4x = - 36
x = - 36
-----
4
x = - 9
l) 5y + 3y = 16
8y = 16
y = 16
----
8
y = 2
m) 4x + x = 35
5x = 35
x = 35
-----
5
x = 7
n) 10y - 4y = 32
6y = 32
y = 32
----
6
y = 5,3
o) 5x - x = - 8
4x = - 8
x = - 8
---
4
x = - 2
p) 2y + 1 = 7
2y = 7 - 1
2y = 6
y = 6
---
2
y = 3
q) 4x - 3 = 21
4x = 21 + 3
4x = 24
x = 24
-----
4
x = 6
r) -2y = 8 . (-1)
2y = - 8
y = - 8
---
2
y = - 4
s) - 3x = - 12 . (-1)
3x = 12
x = 12
----
3
x = 4
t) - y = 16 . (-1)
y = - 16