Question

Solve for x: -3|x + 7| = -12

x = 5 over 3, x = −19 over 3

x = −3, x = −11

x = −3, x = 11

No solution

Answer 1

1. Divide both sides by -3.
2. Split it into two cases, one case RHS is positive, one case RHS is negative.
3. Solve the first case.
4. Solve the second case.

Answer 2

so x = 5 over 3, x = −19 over 3?

Answer 3

http://www.wolframalpha.com/input/?t=crmtb01&f=ob&i=-3%7Cx%20%2B%207%7C%20%3D%20-12

Answer 4

nope

Answer 5

what do you get after step 1. @acama?

Answer 6

thanks, i understand right now @kc_kennylau

Answer 7

no problem :)