Question

3 (x + 1 )- 5 (x-1) = 10.find the value of x .

Answer 1

3x+3-5x+5=10
-2x+8=10
-2x=10-8
-2x=2
x=2/-2=-1

Answer 2

Answer:

$3(x + 1) - 5(x - 1) = 10 \\ \\ = 3x + 3 - 5x + 5 = 10 \\ \\ = - 2x + 8 = 10 \\ \\ = - 2x = 2 \\ \\ x = \frac{ - 2}{2} \\ \\ x = - 1$