PLEASE HELP I NEED IT ASAP The ordered pair (x, y)=(8, 6) is the solution of the following system of linear equations

x = 1/10y + a
y= 1/10x + b
Find the value of a + b.

63/5 or 12.6

Step-by-step explanation:

a=x-1/10y

b=y-1/10x

a+b=x-1/10y+y-1/10x

a+b=8-6/10+6-8/10

a+b= 63/5 or 12.6

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction