Question

Resolva as equações
3x - 10 = 5
4x + x - 3 = 17
6+ x - 10 = 0
9x + 11 - 9 + 2x = 13
7x - 3x + 6x + 10 - 6 = 24​

Answer 1

a) 3x - 10 = 5

3x = 5 + 10

3x = 15

x = 15/3

x = 5

b) 4x + x - 3 = 17

5x = 17 + 3

5x = 20

x = 20/5

x = 4

c) 6x + x - 10 = 0

7x = 10

x = 10/7

d) 9x + 11 - 9 + 2x = 13

11x + 2 = 13

11x = 13 - 2

11x = 11

x = 11/11

x = 1

e) 7x - 3x + 6x + 10 - 6 = 24

10x + 4 = 24

10x = 24 - 4

10x = 20

x = 20/10

x = 2

Answer 2

olá !!!

$\boxed{\begin{array}{l}\sf3x - 10 = 5\\3x=5+10\\3x=15/3\\x=5\\\\4x + x - 3 = 17\\5x = 17 + 3\\5x = 20\\x = 20/5\\x = 4\\\\6x + x - 10 = 0\\7x = 10\\x = 10/7\\\\9x + 11 - 9 + 2x = 13\\11x=13+9-11\\11x=11\\x=11/11\\x=1\\\\7x - 3x + 6x + 10 - 6 =24\\10x=24+6-10\\10x=20\\x=20/10\\x=2\end{array}}$

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