Question

2010-(7x8+ax4-45:5x8)=2006

Answer 1

2010-(56+4a-9*8)=2006

2010-(56+4a-72)=2006

56+4a-72=2010-2006

56+4a-72=4

56+4a=76

4a=76-56

4a=20

a=20/4

a=5

Answer 2

2010-(7*8+a*4-45:5*8)=2006
7*8+a*4-45:5*8=4
56+a*4-9*8=4
56+a*4-72=4
56+a*4=76
a*4=20
a=20:5
a=4
Rs:a=4