13-7b=4+9b

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Solution for 13-7b=4+9b equation:


Simplifying
13 + -7b = 4 + 9b

Solving
13 + -7b = 4 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
13 + -7b + -9b = 4 + 9b + -9b

Combine like terms: -7b + -9b = -16b
13 + -16b = 4 + 9b + -9b

Combine like terms: 9b + -9b = 0
13 + -16b = 4 + 0
13 + -16b = 4

Add '-13' to each side of the equation.
13 + -13 + -16b = 4 + -13

Combine like terms: 13 + -13 = 0
0 + -16b = 4 + -13
-16b = 4 + -13

Combine like terms: 4 + -13 = -9
-16b = -9

Divide each side by '-16'.
b = 0.5625

Simplifying
b = 0.5625

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