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

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


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

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

Combine like terms: 5b + 6b = 11b
-18 + 11b = -7

Solving
-18 + 11b = -7

Solving for variable 'b'.

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

Add '18' to each side of the equation.
-18 + 18 + 11b = -7 + 18

Combine like terms: -18 + 18 = 0
0 + 11b = -7 + 18
11b = -7 + 18

Combine like terms: -7 + 18 = 11
11b = 11

Divide each side by '11'.
b = 1

Simplifying
b = 1

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