1.3=b-1.3

Solution for 1.3=b-1.3 equation:

Simplifying
1.3 = b + -1.3

Reorder the terms:
1.3 = -1.3 + b

Solving
1.3 = -1.3 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
1.3 + -1b = -1.3 + b + -1b

Combine like terms: b + -1b = 0
1.3 + -1b = -1.3 + 0
1.3 + -1b = -1.3

Add '-1.3' to each side of the equation.
1.3 + -1.3 + -1b = -1.3 + -1.3

Combine like terms: 1.3 + -1.3 = 0.0
0.0 + -1b = -1.3 + -1.3
-1b = -1.3 + -1.3

Combine like terms: -1.3 + -1.3 = -2.6
-1b = -2.6

Divide each side by '-1'.
b = 2.6

Simplifying
b = 2.6