-5(b-5)-2(2b+1)=-4

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Solution for -5(b-5)-2(2b+1)=-4 equation:


Simplifying
-5(b + -5) + -2(2b + 1) = -4

Reorder the terms:
-5(-5 + b) + -2(2b + 1) = -4
(-5 * -5 + b * -5) + -2(2b + 1) = -4
(25 + -5b) + -2(2b + 1) = -4

Reorder the terms:
25 + -5b + -2(1 + 2b) = -4
25 + -5b + (1 * -2 + 2b * -2) = -4
25 + -5b + (-2 + -4b) = -4

Reorder the terms:
25 + -2 + -5b + -4b = -4

Combine like terms: 25 + -2 = 23
23 + -5b + -4b = -4

Combine like terms: -5b + -4b = -9b
23 + -9b = -4

Solving
23 + -9b = -4

Solving for variable 'b'.

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

Add '-23' to each side of the equation.
23 + -23 + -9b = -4 + -23

Combine like terms: 23 + -23 = 0
0 + -9b = -4 + -23
-9b = -4 + -23

Combine like terms: -4 + -23 = -27
-9b = -27

Divide each side by '-9'.
b = 3

Simplifying
b = 3

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