4=8b-7b

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Solution for 4=8b-7b equation:


Simplifying
4 = 8b + -7b

Combine like terms: 8b + -7b = 1b
4 = 1b

Solving
4 = 1b

Solving for variable 'b'.

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

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

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

Add '-4' to each side of the equation.
4 + -4 + -1b = 0 + -4

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

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

Divide each side by '-1'.
b = 4

Simplifying
b = 4

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