Answer:
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Step-by-step explanation:
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The answer is C.............
6.4 - 2x - 6.63x = 610.5
subtract 6.4 from both sides
-2x -6.63x =604.1
collect like terms
-8.63x = 604.1
divide both sides by -8.63
x= -70
First calculate (-8x-15)=120
Then multiply - 11x120
=-1320
"22", "7" and "7,5" are the answers in order
