Question

3. (5+3x)+5.(-x-1)=22

Answer 1

3.(5+3x)+5.(-x-1)=22
15+9x+(-5x-5)=22
9x-5x=22+5-15
4x=12
x=12/4
x=3

Answer 2

3.(5 + 3x) + 5.(- x - 1) = 22
15 + 9x - 5x - 5 = 22
10 + 4x = 22
4x = 22 - 10
4x = 12
x = 12/4
x = 3