9b-4=4-7b

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


Simplifying
9b + -4 = 4 + -7b

Reorder the terms:
-4 + 9b = 4 + -7b

Solving
-4 + 9b = 4 + -7b

Solving for variable 'b'.

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

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

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

Combine like terms: -7b + 7b = 0
-4 + 16b = 4 + 0
-4 + 16b = 4

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

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

Combine like terms: 4 + 4 = 8
16b = 8

Divide each side by '16'.
b = 0.5

Simplifying
b = 0.5

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