-5(7b-4)=-225

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Solution for -5(7b-4)=-225 equation: 


Simplifying
-5(7b + -4) = -225

Reorder the terms:
-5(-4 + 7b) = -225
(-4 * -5 + 7b * -5) = -225
(20 + -35b) = -225

Solving
20 + -35b = -225

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + -35b = -225 + -20

Combine like terms: 20 + -20 = 0
0 + -35b = -225 + -20
-35b = -225 + -20

Combine like terms: -225 + -20 = -245
-35b = -245

Divide each side by '-35'.
b = 7

Simplifying
b = 7

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