Answer:
x = 7
Explanation:
Given
- 3(x - 1) + 8(x - 3) = 6x + 7 - 5x ← distribute parenthesis on left side and simplify
- 3x + 3 + 8x - 24 = x + 7
5x - 21 = x + 7 ( subtract x from both sides )
4x - 21 = 7 ( add 21 to both sides )
4x = 28 ( divide both sides by 4 )
x = 7