Question

d)3 - (x + 1) = 10 ​

Answer 1

Oie, Td Bom?!

3 - (x + 1) = 10

3 - x - 1 = 10

2 - x = 10

- x = 10 - 2

- x = 8 . (- 1)

x = - 8

Att. Makaveli1996

Answer 2

$\sf\:3 - (x + 1) = 10 \\ \sf\:3 - x - 1 = 10 \\ \sf\:2 - x = 10 \\ \sf\: - x = 10 - 2 \\ \sf\: - x = 8 \\ \sf\: - x = 8 \times ( - 1) \\\sf\: x = - 8$

Att: Nerd1990