1
Resolva a equação: 4x + 2 = 38
9
4
10
6
2
9x = 6x + 12
1
16
2
4
3
5x – 1 = 3x + 11
3
8
2
6
4
2x + 8 = x + 13
9
2
3
5
5
3x+4=5x−8
2
4
5
6
6
7 𝑥 − 4 = 2𝑥 − 3
x = 2
x = 8
x = 4
𝑥 = 5
7
Dentro do conjunto universo Q, resolva a equação do 1º grau: 4.(x – 2) – 5.(2 – 3x) = 4.(2x – 6)
x = - 6/11
x = -3/6
x = 3/9
x = 2/6
8
4𝑥 − 1 = 3 𝑥 − 1
x = - 4
x = 6
𝑥 =−2
x = 2
9
2𝑥 + 3𝑥 + 9 = 8 (6 − 𝑥)
x = 3
x = 4
x = 2,5
x = 7
10
3𝑥 − 7 = 2𝑥 + 5
x = 8
x = 15
x = 12
x = 18
11
360 + 36𝑥 = 30x
x = 20
x = 40
x = -70
x = -60
12
2𝑥 + 5 − 5𝑥 = −1
x = 14
x = 10
x = 4
x = 2
13
3𝑥 − 2𝑥 = 3𝑥 + 2
x = - 3
x = - 1
x = - 2
x = - 4
14
2𝑥 − 1 = −3 + 𝑥 + 4
x = 9
x = 6
x = 3
x = 2
15
3𝑥 − 2 − 2𝑥 − 3 = 0
𝑥 = 5
x = 2
x = 6
x = 4
