2.6(b+-1)+-1.38=1.22

Solution for 2.6(b+-1)+-1.38=1.22 equation:

Simplifying
2.6(b + -1) + -1.38 = 1.22

Reorder the terms:
2.6(-1 + b) + -1.38 = 1.22
(-1 * 2.6 + b * 2.6) + -1.38 = 1.22
(-2.6 + 2.6b) + -1.38 = 1.22

Reorder the terms:
-2.6 + -1.38 + 2.6b = 1.22

Combine like terms: -2.6 + -1.38 = -3.98
-3.98 + 2.6b = 1.22

Solving
-3.98 + 2.6b = 1.22

Solving for variable 'b'.

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

Add '3.98' to each side of the equation.
-3.98 + 3.98 + 2.6b = 1.22 + 3.98

Combine like terms: -3.98 + 3.98 = 0.00
0.00 + 2.6b = 1.22 + 3.98
2.6b = 1.22 + 3.98

Combine like terms: 1.22 + 3.98 = 5.2
2.6b = 5.2

Divide each side by '2.6'.
b = 2

Simplifying
b = 2