2(2.5b-9)+6-7b=

Solution for 2(2.5b-9)+6-7b= equation:

Simplifying
2(2.5b + -9) + 6 + -7b = 0

Reorder the terms:
2(-9 + 2.5b) + 6 + -7b = 0
(-9 * 2 + 2.5b * 2) + 6 + -7b = 0
(-18 + 5b) + 6 + -7b = 0

Reorder the terms:
-18 + 6 + 5b + -7b = 0

Combine like terms: -18 + 6 = -12
-12 + 5b + -7b = 0

Combine like terms: 5b + -7b = -2b
-12 + -2b = 0

Solving
-12 + -2b = 0

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + -2b = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -2b = 0 + 12
-2b = 0 + 12

Combine like terms: 0 + 12 = 12
-2b = 12

Divide each side by '-2'.
b = -6

Simplifying
b = -6