4(2b+1)+5(7-3b)=5

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Solution for 4(2b+1)+5(7-3b)=5 equation:


Simplifying
4(2b + 1) + 5(7 + -3b) = 5

Reorder the terms:
4(1 + 2b) + 5(7 + -3b) = 5
(1 * 4 + 2b * 4) + 5(7 + -3b) = 5
(4 + 8b) + 5(7 + -3b) = 5
4 + 8b + (7 * 5 + -3b * 5) = 5
4 + 8b + (35 + -15b) = 5

Reorder the terms:
4 + 35 + 8b + -15b = 5

Combine like terms: 4 + 35 = 39
39 + 8b + -15b = 5

Combine like terms: 8b + -15b = -7b
39 + -7b = 5

Solving
39 + -7b = 5

Solving for variable 'b'.

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

Add '-39' to each side of the equation.
39 + -39 + -7b = 5 + -39

Combine like terms: 39 + -39 = 0
0 + -7b = 5 + -39
-7b = 5 + -39

Combine like terms: 5 + -39 = -34
-7b = -34

Divide each side by '-7'.
b = 4.857142857

Simplifying
b = 4.857142857

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