Question

1) Reduza os termos semelhantes:

a) 8 a + 2 a

b) 7 x – 5x

c)4x – ( – 3x + 9 – 2 x)

d)3 x – ( –2x + 5) – 8x + 9

e)4 x – 3 + ( 2x + 1)

f)(x + y) – ( x + 2y)

g)(3 x – 2 y) + (7x + y)

h) – ( 8a + 4) – ( 3 a + 2)

i)8y +{ 4 y – [ 6 x – y – ( 4x – 3 y ) – y ] – 2x }

j)4x – { 3x + [ 4 x – 3 y – ( 6x – 5y ) – 3x ] – 6y }​


me ajudar por favor e urgente

Answer 1

Explicação passo-a-passo:

a) 8 a + 2 a

10a

b) 7 x – 5x

2x

c)4x – ( – 3x + 9 – 2 x)

4x - (- 3x - 2x + 9)

4x - ( -5x + 9)

4x + 5x - 9

9x - 9

d)3 x – ( –2x + 5) – 8x + 9

3x + 2x - 5 - 8x + 9

5x - 8x + 4

-3x + 4

e)4 x – 3 + ( 2x + 1)

4x - 3 + 2x + 1

6x - 2

f)(x + y) – ( x + 2y)

(x + y) -x - 2y

x + y - x - 2y

-y

g)(3 x – 2 y) + (7x + y)

3x - 2y + 7x + y

10x -y

h) – ( 8a + 4) – ( 3 a + 2)

- 8a - 4 - 3a -2

-11a - 6

i)8y +{ 4 y – [ 6 x – y – ( 4x – 3 y ) – y ] – 2x }

8y + { 4y - [6x - y - 4x + 3y - y] - 2x }

8y + { 4y -[2x + y ] - 2x }

8y + {4y - 2x - y - 2x}

8y + 3y - 4x

11y - 4x

j)4x – { 3x + [ 4 x – 3 y – ( 6x – 5y ) – 3x ] – 6y }

4x – { 3x + [ 4x – 3 y – 6x + 5y – 3x ] – 6y }

4x – { 3x + [ - 5x + 2y ] – 6y }

4x – { 3x - 5x + 2y – 6y }

4x – { - 2x – 4y }

4x + 2x + 4y

6x + 4y