-7(3b+6)=25+4b

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Solution for -7(3b+6)=25+4b equation:


Simplifying
-7(3b + 6) = 25 + 4b

Reorder the terms:
-7(6 + 3b) = 25 + 4b
(6 * -7 + 3b * -7) = 25 + 4b
(-42 + -21b) = 25 + 4b

Solving
-42 + -21b = 25 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-42 + -21b + -4b = 25 + 4b + -4b

Combine like terms: -21b + -4b = -25b
-42 + -25b = 25 + 4b + -4b

Combine like terms: 4b + -4b = 0
-42 + -25b = 25 + 0
-42 + -25b = 25

Add '42' to each side of the equation.
-42 + 42 + -25b = 25 + 42

Combine like terms: -42 + 42 = 0
0 + -25b = 25 + 42
-25b = 25 + 42

Combine like terms: 25 + 42 = 67
-25b = 67

Divide each side by '-25'.
b = -2.68

Simplifying
b = -2.68

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