simple algebra can't figure out how to pull out the variable?

0 ⤊

simple algebra can't figure out how to pull out the variable?

83720( Tf-298)= -672( Tf-873)

dont really need the answer i just need to know how to pull the Tf out and get it by itself so i can finish solving. thanks

2007-09-09 14:18:53 · 1 answers · asked by sabresfan58 1 in Science & Mathematics ➔ Mathematics

1 answers

83720( Tf - 298) = -672(Tf - 873)

83720*Tf - 83720*298 = -672*Tf + 672*873

83720*Tf + 672*Tf = 672*873 + 83720*298

(83720 + 672)Tf = 672*873 + 83720*298

Tf = (672*873 + 83720*298) / (83720 + 672)

2007-09-09 14:30:03 · answer #1 · answered by Northstar 7 · 0⤊ 0⤋