Question

1) 5a + (4 – a) = 9 – (a – 6)

2) 8y = 2 ( 3y – 5)

3) – (4t – 6 + 5x) + (9 – 5t + 3 – 2t) = 7t – ( 1 – 6t)

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Answer 1

Explicación paso a paso:

1) 5a + (4 – a) = 9 – (a – 6)

5a +4 -a = 9 -a + 6

5a -a + a = 9 +6 - 4

5a =11

a= 11/5

a = 2.2

2) 8y = 2 ( 3y – 5)

8y = 6y - 10

8y - 6y = -10

2y = -10

y= -10/2

y= -5

3) – (4t – 6 + 5t) + (9 – 5t + 3 – 2t) = 7t – ( 1 – 6t)

-4t + 6 - 5t + 9 -5t +3 - 2t = 7t -1+6t

-4t -5t -5t -2t -7t -6t = -1 -6 -9 -3

-29t = -19

t = -19/-29

t = 19/29

t= 0.6551.....

Answer 2

Respuesta:

1) $a=\frac{11}{5}$

2)  y= -5

3)  $x=\frac{-24t+19}{5}$

Explicación paso a paso: