25=7+b

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Solution for 25=7+b equation:


Simplifying
25 = 7 + b

Solving
25 = 7 + b

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.
25 + -1b = 7 + b + -1b

Combine like terms: b + -1b = 0
25 + -1b = 7 + 0
25 + -1b = 7

Add '-25' to each side of the equation.
25 + -25 + -1b = 7 + -25

Combine like terms: 25 + -25 = 0
0 + -1b = 7 + -25
-1b = 7 + -25

Combine like terms: 7 + -25 = -18
-1b = -18

Divide each side by '-1'.
b = 18

Simplifying
b = 18

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