4.2(7.4-4.7b)-0.7b=104.03036

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Solution for 4.2(7.4-4.7b)-0.7b=104.03036 equation: 


Simplifying
4.2(7.4 + -4.7b) + -0.7b = 104.03036
(7.4 * 4.2 + -4.7b * 4.2) + -0.7b = 104.03036
(31.08 + -19.74b) + -0.7b = 104.03036

Combine like terms: -19.74b + -0.7b = -20.44b
31.08 + -20.44b = 104.03036

Solving
31.08 + -20.44b = 104.03036

Solving for variable 'b'.

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

Add '-31.08' to each side of the equation.
31.08 + -31.08 + -20.44b = 104.03036 + -31.08

Combine like terms: 31.08 + -31.08 = 0.00
0.00 + -20.44b = 104.03036 + -31.08
-20.44b = 104.03036 + -31.08

Combine like terms: 104.03036 + -31.08 = 72.95036
-20.44b = 72.95036

Divide each side by '-20.44'.
b = -3.569

Simplifying
b = -3.569

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