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

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

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

Reorder the terms:
2(-7 + 2.5b) + 6b = -7
(-7 * 2 + 2.5b * 2) + 6b = -7
(-14 + 5b) + 6b = -7

Combine like terms: 5b + 6b = 11b
-14 + 11b = -7

Solving
-14 + 11b = -7

Solving for variable 'b'.

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

Add '14' to each side of the equation.
-14 + 14 + 11b = -7 + 14

Combine like terms: -14 + 14 = 0
0 + 11b = -7 + 14
11b = -7 + 14

Combine like terms: -7 + 14 = 7
11b = 7

Divide each side by '11'.
b = 0.6363636364

Simplifying
b = 0.6363636364