3.1b+7=8.1b-19.4

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Solution for 3.1b+7=8.1b-19.4 equation:


Simplifying
3.1b + 7 = 8.1b + -19.4

Reorder the terms:
7 + 3.1b = 8.1b + -19.4

Reorder the terms:
7 + 3.1b = -19.4 + 8.1b

Solving
7 + 3.1b = -19.4 + 8.1b

Solving for variable 'b'.

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

Add '-8.1b' to each side of the equation.
7 + 3.1b + -8.1b = -19.4 + 8.1b + -8.1b

Combine like terms: 3.1b + -8.1b = -5b
7 + -5b = -19.4 + 8.1b + -8.1b

Combine like terms: 8.1b + -8.1b = 0.0
7 + -5b = -19.4 + 0.0
7 + -5b = -19.4

Add '-7' to each side of the equation.
7 + -7 + -5b = -19.4 + -7

Combine like terms: 7 + -7 = 0
0 + -5b = -19.4 + -7
-5b = -19.4 + -7

Combine like terms: -19.4 + -7 = -26.4
-5b = -26.4

Divide each side by '-5'.
b = 5.28

Simplifying
b = 5.28

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