Book Maths Puzzle Algebra

I am trying to find the solution set for this equation |3(y+4)|=12

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|3(y+4)| = 12
===> 3(y+4) = 12 or 3(y+4) = -12
y+4 = 4 or y+4 = -4
y = 0 or y = -8
10 years agoHelpfull: Yes(0) No(0)

3y+12=+12,3y+12=-12
soy=0,-8
10 years agoHelpfull: Yes(0) No(0)

Book Other Question

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