-2.1b+5.3=3.1+5.3

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Solution for -2.1b+5.3=3.1+5.3 equation:


Simplifying
-2.1b + 5.3 = 3.1 + 5.3

Reorder the terms:
5.3 + -2.1b = 3.1 + 5.3

Combine like terms: 3.1 + 5.3 = 8.4
5.3 + -2.1b = 8.4

Solving
5.3 + -2.1b = 8.4

Solving for variable 'b'.

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

Add '-5.3' to each side of the equation.
5.3 + -5.3 + -2.1b = 8.4 + -5.3

Combine like terms: 5.3 + -5.3 = 0.0
0.0 + -2.1b = 8.4 + -5.3
-2.1b = 8.4 + -5.3

Combine like terms: 8.4 + -5.3 = 3.1
-2.1b = 3.1

Divide each side by '-2.1'.
b = -1.476190476

Simplifying
b = -1.476190476

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