Question 1015889
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-4(3-(a+5))+4=6(6+a)
-4(3-a-5)+4=36+6a
-4(-2-a)+4=36+6a
8+4a+4=36+6a
4a+12=6a+36 . Subtract 4a from each side.
12=2a+36 . Subtract 35 from each side.
-24=2a . Divide each side by 2
-12=a
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CHECK:
-4(3-(a+5))+4=6(6+a)
-4(3-(-12+5))+4=6(6+(-12))
-4(3-(-7))+4=6(-6)
-4(10)+4=-36
-40+4=-36
-36=-36
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ANSWER: a=-12