5(2-b)=7-8b

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Solution for 5(2-b)=7-8b equation:


Simplifying
5(2 + -1b) = 7 + -8b
(2 * 5 + -1b * 5) = 7 + -8b
(10 + -5b) = 7 + -8b

Solving
10 + -5b = 7 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
10 + -5b + 8b = 7 + -8b + 8b

Combine like terms: -5b + 8b = 3b
10 + 3b = 7 + -8b + 8b

Combine like terms: -8b + 8b = 0
10 + 3b = 7 + 0
10 + 3b = 7

Add '-10' to each side of the equation.
10 + -10 + 3b = 7 + -10

Combine like terms: 10 + -10 = 0
0 + 3b = 7 + -10
3b = 7 + -10

Combine like terms: 7 + -10 = -3
3b = -3

Divide each side by '3'.
b = -1

Simplifying
b = -1

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