10(2.2+-b)=15.2

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Solution for 10(2.2+-b)=15.2 equation: 


Simplifying
10(2.2 + -1b) = 15.2
(2.2 * 10 + -1b * 10) = 15.2
(22 + -10b) = 15.2

Solving
22 + -10b = 15.2

Solving for variable 'b'.

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

Add '-22' to each side of the equation.
22 + -22 + -10b = 15.2 + -22

Combine like terms: 22 + -22 = 0
0 + -10b = 15.2 + -22
-10b = 15.2 + -22

Combine like terms: 15.2 + -22 = -6.8
-10b = -6.8

Divide each side by '-10'.
b = 0.68

Simplifying
b = 0.68

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