Practice problem
Simplify the following expression: 9xt+t63x+7\frac{9xt+t}{63x+7}63x+79xt+t
t7\frac{t}{7}7t
9x+19x+19x+1
xt+t7x+7\frac{xt+t}{7x+7}7x+7xt+t
7t\frac{7}{t}t7
Type a concept, like “slope” or “photosynthesis”.