7b-4.2=-3b+9.1

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Solution for 7b-4.2=-3b+9.1 equation:


Simplifying
7b + -4.2 = -3b + 9.1

Reorder the terms:
-4.2 + 7b = -3b + 9.1

Reorder the terms:
-4.2 + 7b = 9.1 + -3b

Solving
-4.2 + 7b = 9.1 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
-4.2 + 7b + 3b = 9.1 + -3b + 3b

Combine like terms: 7b + 3b = 10b
-4.2 + 10b = 9.1 + -3b + 3b

Combine like terms: -3b + 3b = 0
-4.2 + 10b = 9.1 + 0
-4.2 + 10b = 9.1

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 10b = 9.1 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 10b = 9.1 + 4.2
10b = 9.1 + 4.2

Combine like terms: 9.1 + 4.2 = 13.3
10b = 13.3

Divide each side by '10'.
b = 1.33

Simplifying
b = 1.33

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