4b+5=7b-4

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Solution for 4b+5=7b-4 equation:


Simplifying
4b + 5 = 7b + -4

Reorder the terms:
5 + 4b = 7b + -4

Reorder the terms:
5 + 4b = -4 + 7b

Solving
5 + 4b = -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.
5 + 4b + -7b = -4 + 7b + -7b

Combine like terms: 4b + -7b = -3b
5 + -3b = -4 + 7b + -7b

Combine like terms: 7b + -7b = 0
5 + -3b = -4 + 0
5 + -3b = -4

Add '-5' to each side of the equation.
5 + -5 + -3b = -4 + -5

Combine like terms: 5 + -5 = 0
0 + -3b = -4 + -5
-3b = -4 + -5

Combine like terms: -4 + -5 = -9
-3b = -9

Divide each side by '-3'.
b = 3

Simplifying
b = 3

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