Question

Alternativas:
a)1
b)3
c)4
d)5
e)8

Answer 1

Resposta:

$\frac{2x + 2}{3} + \frac{3x - 5}{2} = 9\\\\\frac{2(2x + 2) + 3(3x - 5)}{6} = 9\\\\4x + 4 + 9x - 15 = 9 . 6\\\\13x = 54 + 15 - 4\\\\13x = 65\\\\x = \frac{65}{13}\\\\x = 5$

Answer 2

Resposta:

letra d vlw

Explicação passo-a-passo:

2x+2

+

2

3x−5

=9

6

2(2x+2)+3(3x−5)

=9

4x+4+9x−15=9.6

13x=54+15−4

13x=65

x=

13

65

x=5