Answer:
x=7
Step-by-step explanation:
x = 7
Given
3(x - 5) + 8(x - 5) = 22 ← distribute both parenthesis on left side
3x - 15 + 8x - 40 = 22, that is
11x - 55 = 22 ( add 55 to both sides )
11x = 77 ( divide both sides by 11 )
