4b(1a-5c+7)=

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Solution for 4b(1a-5c+7)= equation:


Simplifying
4b(1a + -5c + 7) = 0

Reorder the terms:
4b(7 + 1a + -5c) = 0
(7 * 4b + 1a * 4b + -5c * 4b) = 0

Reorder the terms:
(4ab + 28b + -20bc) = 0
(4ab + 28b + -20bc) = 0

Solving
4ab + 28b + -20bc = 0

Solving for variable 'a'.

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

Add '-28b' to each side of the equation.
4ab + 28b + -28b + -20bc = 0 + -28b

Combine like terms: 28b + -28b = 0
4ab + 0 + -20bc = 0 + -28b
4ab + -20bc = 0 + -28b
Remove the zero:
4ab + -20bc = -28b

Add '20bc' to each side of the equation.
4ab + -20bc + 20bc = -28b + 20bc

Combine like terms: -20bc + 20bc = 0
4ab + 0 = -28b + 20bc
4ab = -28b + 20bc

Divide each side by '4b'.
a = -7 + 5c

Simplifying
a = -7 + 5c

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