Answer:
8a+5b-9
Step-by-step explanation:
(8a+2b-4)+(3b-5)
8a+2b+3b-4-5
3x - 19 = 8x + 10
3x - 8x = 10 + 19
-5x = 29
x = 29 :(-5)
x = 5.8
Ans = 5.8
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