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m in (-oo:+oo)
m+8 = 15 // - 15
m-15+8 = 0
m-7 = 0 // + 7
m = 7
m = 7
| 1(3y-6)=2(y-2) | | 2/n=5/25 | | d+3=10 | | w+5=6 | | w+8=18 | | 1-9x+14=0 | | t-9=-15 | | d+6=-1 | | b-10=-6 | | 3x-33y=-12 | | -6=k-3 | | -1=d-1 | | a+9=17 | | 135/15 | | 16=d+7 | | 2k=-6 | | -7+a=4 | | 3=m+8 | | 15=b+9 | | 12/8=n/4 | | 8=d+6 | | k/2=4 | | -10=m-10 | | b-7=-19 | | 6=m+3 | | 2=k-3 | | 3x^2-15x+9=0 | | 4y-6=2y+4 | | 9=m+5 | | d+2=4 | | n+5=6 | | 4=m-1 |