4(7-b)=

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Solution for 4(7-b)= equation: 


Simplifying
4(7 + -1b) = 0
(7 * 4 + -1b * 4) = 0
(28 + -4b) = 0

Solving
28 + -4b = 0

Solving for variable 'b'.

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

Add '-28' to each side of the equation.
28 + -28 + -4b = 0 + -28

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

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

Divide each side by '-4'.
b = 7

Simplifying
b = 7

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