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

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


Simplifying
4 + -5(-4b + 7) + 5b = 0

Reorder the terms:
4 + -5(7 + -4b) + 5b = 0
4 + (7 * -5 + -4b * -5) + 5b = 0
4 + (-35 + 20b) + 5b = 0

Combine like terms: 4 + -35 = -31
-31 + 20b + 5b = 0

Combine like terms: 20b + 5b = 25b
-31 + 25b = 0

Solving
-31 + 25b = 0

Solving for variable 'b'.

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

Add '31' to each side of the equation.
-31 + 31 + 25b = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 25b = 0 + 31
25b = 0 + 31

Combine like terms: 0 + 31 = 31
25b = 31

Divide each side by '25'.
b = 1.24

Simplifying
b = 1.24

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