f=3g−2p−r
make r
the subject
8p−q=3r−5
make q
x/3.95=0.625
2+2
find the mean value value of x^2+5 in (0,5)
2√3×4√3
∫□□(□)d□\int_{\Box}^{\Box}(\Box) d\Box∫□□(□)d□ 1/4+5cosx dx
\frac{x+3}{3}-\frac{5x-7}{12}
If Bob is 3 years older than Sally and Sally is double the age of Jim and Bob is 2.5 times older than Jim. How old is everyone?
\frac{7x+10}{9}+\frac{5x+6}{15}
