Question

resolva essas 3 equaçoes ​

Answer 1

d)

4x + 2= - 18

4x= - 18 - 2

4x= - 20

x= -20/4

x= -5

e)

5x - 2= 7 + 6

5x= 7 + 6 + 2

5x= 15

x= 15/5

x= 3

f)

10x + 1= - 4 - 5

10x= - 4 - 5 - 1

10x= - 10

x= -10/10

x= -1

Answer 2

d) 4x + 2= - 18

4x= - 18 - 2

4x= - 20

$x=\frac{-20}{4}$

x= -5

e) 5x - 2= 7 + 6

5x= 7 + 6 + 2

5x= 15

$x=\frac{15}{5}$

x= 3

f) 10x + 1= - 4 - 5

10x= - 4 - 5 - 1

10x= - 10

$x=\frac{-10}{10}$

x= -1

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