7(3-4b)=245

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Solution for 7(3-4b)=245 equation: 


Simplifying
7(3 + -4b) = 245
(3 * 7 + -4b * 7) = 245
(21 + -28b) = 245

Solving
21 + -28b = 245

Solving for variable 'b'.

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

Add '-21' to each side of the equation.
21 + -21 + -28b = 245 + -21

Combine like terms: 21 + -21 = 0
0 + -28b = 245 + -21
-28b = 245 + -21

Combine like terms: 245 + -21 = 224
-28b = 224

Divide each side by '-28'.
b = -8

Simplifying
b = -8

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