.7(b+3)+4=25+7b

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Solution for .7(b+3)+4=25+7b equation: 


Simplifying
0.7(b + 3) + 4 = 25 + 7b

Reorder the terms:
0.7(3 + b) + 4 = 25 + 7b
(3 * 0.7 + b * 0.7) + 4 = 25 + 7b
(2.1 + 0.7b) + 4 = 25 + 7b

Reorder the terms:
2.1 + 4 + 0.7b = 25 + 7b

Combine like terms: 2.1 + 4 = 6.1
6.1 + 0.7b = 25 + 7b

Solving
6.1 + 0.7b = 25 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
6.1 + 0.7b + -7b = 25 + 7b + -7b

Combine like terms: 0.7b + -7b = -6.3b
6.1 + -6.3b = 25 + 7b + -7b

Combine like terms: 7b + -7b = 0
6.1 + -6.3b = 25 + 0
6.1 + -6.3b = 25

Add '-6.1' to each side of the equation.
6.1 + -6.1 + -6.3b = 25 + -6.1

Combine like terms: 6.1 + -6.1 = 0.0
0.0 + -6.3b = 25 + -6.1
-6.3b = 25 + -6.1

Combine like terms: 25 + -6.1 = 18.9
-6.3b = 18.9

Divide each side by '-6.3'.
b = -3

Simplifying
b = -3

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