Answer:
x = 3
Explanation:
(8x + 4) + (- 11x + 5)
= 8x + 4 - 11x + 5
= 8x - 11x + 5 + 4
= - 3x + 9
- 3x + 9 = 0
- 3x = - 9
x = - 9 ÷ - 3
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