2.6(b-3)=-42.9

Solution for 2.6(b-3)=-42.9 equation:

Simplifying
2.6(b + -3) = -42.9

Reorder the terms:
2.6(-3 + b) = -42.9
(-3 * 2.6 + b * 2.6) = -42.9
(-7.8 + 2.6b) = -42.9

Solving
-7.8 + 2.6b = -42.9

Solving for variable 'b'.

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

Add '7.8' to each side of the equation.
-7.8 + 7.8 + 2.6b = -42.9 + 7.8

Combine like terms: -7.8 + 7.8 = 0.0
0.0 + 2.6b = -42.9 + 7.8
2.6b = -42.9 + 7.8

Combine like terms: -42.9 + 7.8 = -35.1
2.6b = -35.1

Divide each side by '2.6'.
b = -13.5

Simplifying
b = -13.5