Question

Show me the calculation of 3 y square - 20 is equal to 160 minus 2 y square

Answer 1

Answer:

Step-by-step explanation:

3y^2-20=160-2y^2

3y^2+2y^2=160+20

5y^2=180

y^2=180/5

y^2=36

y=√36

y=6 is ans