.975=1.3Xa+0Xa

Solution for .975=1.3Xa+0Xa equation:

Simplifying
0.975 = 1.3Xa + 0Xa

Anything times zero is zero.
0.975 = 1.3aX + 0aX

Reorder the terms:
0.975 = 0 + 1.3aX
Remove the zero:
0.975 = 1.3aX

Solving
0.975 = 1.3aX

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1.3aX' to each side of the equation.
0.975 + -1.3aX = 1.3aX + -1.3aX

Combine like terms: 1.3aX + -1.3aX = 0.0
0.975 + -1.3aX = 0.0

Add '-0.975' to each side of the equation.
0.975 + -0.975 + -1.3aX = 0.0 + -0.975

Combine like terms: 0.975 + -0.975 = 0.000
0.000 + -1.3aX = 0.0 + -0.975
-1.3aX = 0.0 + -0.975

Combine like terms: 0.0 + -0.975 = -0.975
-1.3aX = -0.975

Divide each side by '-1.3X'.
a = 0.75X-1

Simplifying
a = 0.75X-1