-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 = -19
-9b = -19

Divide each side by '-9'.
b = 2.111111111

Simplifying
b = 2.111111111

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