Question

alguien que me ayude con estas ecuaciones porfavor doy corona porfavor ayundenme ​

Answer 1

Respuesta:

1.

$9(x + 2) = 9 \\ 9x + 18 = 9 \\ 9x = 9 - 18 \\ 9 x = - 9 \\ x = \frac{ - 9}{9} \\ x = - 1$

2.

$16 = 4(m + 2) \\ 16 = 4m + 8 \\ 16 - 8 = 4m \\ 8 = 4m \\ \frac{8}{4} = m \\ 2 = m$

3.

$8(z - 3) = 24 \\ 8z - 24 = 24 \\ 8z = 48 \\ z = \frac{48}{8} \\ z = 6$

4.

$15 = 5(x - 2) \\ 15 = 5x - 10 \\ 25 = 5x \\ \frac{25}{5} = x \\ 5 = x$

5.

$- 4(k - 6) = - 4 \\ - 4k + 24 = - 4 \\ - 4k = - 28 \\ 4k = 28 \\ k = \frac{28}{4} \\ k = 7$

6.

$- 18 = 9(d + 1) \\ - 18 = 9d + 9 \\ - 27 = 9d \\ \frac{ - 27}{9} = d \\ - 3 = d$

7.

$6(b + 5) = 18 \\ 6b + 30 = 18 \\ 6b = 18 - 30 \\ 6b = - 12 \\ b = \frac{ - 12}{6} \\ b = - 2$

8.

$- 7(h - 4)= 21 \\ - 7h + 28 = 21 \\ - 7h = 21 - 28 \\ - 7h = - 7 \\ 7h = 7 \\ h = \frac{7}{7} \\ h = 1$

9.

$2(3 - t) = - 10 \\ 6 - 2t = - 10 \\ 2t = - 16 \\ t = \frac{ - 16}{2} \\ t = - 8$

10.

$4(x + 5) = 36 \\ 4x + 20 = 36 \\ 4x = 36 - 20 \\ 4x = 16 \\ x = \frac{16}{4} \\ x = 4$

11.

$6(a + 5) = 42 \\ 6a + 30 = 42 \\ 6a = 42 - 30 \\ 6a = 12 \\ a = \frac{12}{6} \\ a = 2$

12.

$4(6 - x) = 20 \\ 24 - 4x = 20 \\ 24 - 20 = 4x \\ 4 = 4x \\ \frac{4}{4} = x \\ 1 = x$

espero te sirva :'D