3b-13+4b=-9

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Solution for 3b-13+4b=-9 equation:


Simplifying
3b + -13 + 4b = -9

Reorder the terms:
-13 + 3b + 4b = -9

Combine like terms: 3b + 4b = 7b
-13 + 7b = -9

Solving
-13 + 7b = -9

Solving for variable 'b'.

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

Add '13' to each side of the equation.
-13 + 13 + 7b = -9 + 13

Combine like terms: -13 + 13 = 0
0 + 7b = -9 + 13
7b = -9 + 13

Combine like terms: -9 + 13 = 4
7b = 4

Divide each side by '7'.
b = 0.5714285714

Simplifying
b = 0.5714285714

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