-7(9b+3)=28+4b

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Solution for -7(9b+3)=28+4b equation:


Simplifying
-7(9b + 3) = 28 + 4b

Reorder the terms:
-7(3 + 9b) = 28 + 4b
(3 * -7 + 9b * -7) = 28 + 4b
(-21 + -63b) = 28 + 4b

Solving
-21 + -63b = 28 + 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.
-21 + -63b + -4b = 28 + 4b + -4b

Combine like terms: -63b + -4b = -67b
-21 + -67b = 28 + 4b + -4b

Combine like terms: 4b + -4b = 0
-21 + -67b = 28 + 0
-21 + -67b = 28

Add '21' to each side of the equation.
-21 + 21 + -67b = 28 + 21

Combine like terms: -21 + 21 = 0
0 + -67b = 28 + 21
-67b = 28 + 21

Combine like terms: 28 + 21 = 49
-67b = 49

Divide each side by '-67'.
b = -0.7313432836

Simplifying
b = -0.7313432836

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