7-b=b-2-7

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Solution for 7-b=b-2-7 equation:


Simplifying
7 + -1b = b + -2 + -7

Reorder the terms:
7 + -1b = -2 + -7 + b

Combine like terms: -2 + -7 = -9
7 + -1b = -9 + b

Solving
7 + -1b = -9 + 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.
7 + -1b + -1b = -9 + b + -1b

Combine like terms: -1b + -1b = -2b
7 + -2b = -9 + b + -1b

Combine like terms: b + -1b = 0
7 + -2b = -9 + 0
7 + -2b = -9

Add '-7' to each side of the equation.
7 + -7 + -2b = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -2b = -9 + -7
-2b = -9 + -7

Combine like terms: -9 + -7 = -16
-2b = -16

Divide each side by '-2'.
b = 8

Simplifying
b = 8

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