6.8=2(4-0.3b)

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Solution for 6.8=2(4-0.3b) equation: 


Simplifying
6.8 = 2(4 + -0.3b)
6.8 = (4 * 2 + -0.3b * 2)
6.8 = (8 + -0.6b)

Solving
6.8 = 8 + -0.6b

Solving for variable 'b'.

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

Add '0.6b' to each side of the equation.
6.8 + 0.6b = 8 + -0.6b + 0.6b

Combine like terms: -0.6b + 0.6b = 0.0
6.8 + 0.6b = 8 + 0.0
6.8 + 0.6b = 8

Add '-6.8' to each side of the equation.
6.8 + -6.8 + 0.6b = 8 + -6.8

Combine like terms: 6.8 + -6.8 = 0.0
0.0 + 0.6b = 8 + -6.8
0.6b = 8 + -6.8

Combine like terms: 8 + -6.8 = 1.2
0.6b = 1.2

Divide each side by '0.6'.
b = 2

Simplifying
b = 2

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