7-4=4-b

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Solution for 7-4=4-b equation:


Simplifying
7 + -4 = 4 + -1b

Combine like terms: 7 + -4 = 3
3 = 4 + -1b

Solving
3 = 4 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
3 + b = 4 + -1b + b

Combine like terms: -1b + b = 0
3 + b = 4 + 0
3 + b = 4

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

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

Combine like terms: 4 + -3 = 1
b = 1

Simplifying
b = 1

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