Respuesta :
The opposite of multiplication is division, so you divide 2 from both sides.
R2/2 = cancel out
6.25/2 = 3.125
R = 3.125
6.25=r2
Divide both sides by 2
3.125=r2/2
2'a cancel out
3.125=r
Divide both sides by 2
3.125=r2/2
2'a cancel out
3.125=r