Question

resolva as equações:

a) 4x + 10 = x - 5
b) 5x - 4 + 2x = 10
c) 6x - 24 = 0​

Answer 1

Resposta:

$a) \: 4x + 10 = x - 5 \\ 4x + 10 - x = - 5 \\ 3x = - 5 - 10 \\ 3x = - 15 \\ x = - \frac{15}{3} \\ x = - 5$

b) 5x - 4 + 2x = 10

$7x = 10 + 4 \\ 7x = 14 \\ x = \frac{14}{7} \\ x = 2$

c) 6x - 24 = 0

$6x = 24 \\ x = \frac{24}{6} \\ x = 4$

Answer 2

Resposta:

Resposta:

A)4X+10=X-5

4X-X=-5-10

3X=15

X=\frac{15}{3}

3

15

X=5

B)5X-4+2X=10

5X+2X=10+4

7X=14

X=\frac{14}{7}

7

14

X=2

C) 6X-24=0

6X=0+24

6X=24

X= \frac{24}{6}

6

24

X=4