3-2.9b=1.3b-7

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Solution for 3-2.9b=1.3b-7 equation:


Simplifying
3 + -2.9b = 1.3b + -7

Reorder the terms:
3 + -2.9b = -7 + 1.3b

Solving
3 + -2.9b = -7 + 1.3b

Solving for variable 'b'.

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

Add '-1.3b' to each side of the equation.
3 + -2.9b + -1.3b = -7 + 1.3b + -1.3b

Combine like terms: -2.9b + -1.3b = -4.2b
3 + -4.2b = -7 + 1.3b + -1.3b

Combine like terms: 1.3b + -1.3b = 0.0
3 + -4.2b = -7 + 0.0
3 + -4.2b = -7

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

Combine like terms: 3 + -3 = 0
0 + -4.2b = -7 + -3
-4.2b = -7 + -3

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

Divide each side by '-4.2'.
b = 2.380952381

Simplifying
b = 2.380952381

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