History of Hindu Mathematics: A Source Book v2.c17.s4.31

v2.c17.s4.31

"In this case, in the problem proposed by the questioner, *yâvat-tâvat* is put for the value of the unknown quantity; then performing multiplication, division, etc., as required in the problem the two sides shall be carefully made equal. The equation being formed in this way, then the rule (for its solution) follows."