3 (x-9) +5 (8-x) = x + 12
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Answer:
3 (x-9) +5 (8-x) = x + 12
3x - 27 + 40 - 5 x = x + 12
-2x + 13 = x + 12
13 - 12 = x + 2x
1 = 3x
x = 1 / 3
Answered by
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3x-27+40-5x = x-12
3x+13-6x-12=0
-3x+1=0
-3x = -1
x= -1/-3
therefore x = 1/3
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