4.2-1.4b=2.1

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Solution for 4.2-1.4b=2.1 equation: 


Simplifying
4.2 + -1.4b = 2.1

Solving
4.2 + -1.4b = 2.1

Solving for variable 'b'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -1.4b = 2.1 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -1.4b = 2.1 + -4.2
-1.4b = 2.1 + -4.2

Combine like terms: 2.1 + -4.2 = -2.1
-1.4b = -2.1

Divide each side by '-1.4'.
b = 1.5

Simplifying
b = 1.5

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