Answer:
489.5 + m = 756.80 (the amount elias has, added to marks is equal to the total
(756.8- 489.5 = 267.30 which is the amount mark has.)
m= 267.3
the last option is the correct option
Step-by-step explanation:
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2x - 3y = 6
-3y = 6 - 2x
y = -2 + 2/3x
Are you given an equation?