1.6b-0.9b=4.2

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Solution for 1.6b-0.9b=4.2 equation: 


Simplifying
1.6b + -0.9b = 4.2

Combine like terms: 1.6b + -0.9b = 0.7b
0.7b = 4.2

Solving
0.7b = 4.2

Solving for variable 'b'.

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

Divide each side by '0.7'.
b = 6

Simplifying
b = 6

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