m=-(4+m)+2
-7+4m+10=15-2m
5 2/6 + 6 1/3
\dfrac{3 - 2x}{1 - 2x} = \dfrac{3}{5}
4 1/3 + 5 1/4
3x+x=11/12
2d+4=10+5d
76 x 0.24
3(6-f)-4=3f-4
express x^(2)+10x+25 in the form ((x+a)^(2))
