8-7=b

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Solution for 8-7=b equation:


Simplifying
8 + -7 = b

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

Solving
1 = 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.
1 + -1b = b + -1b

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

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

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

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

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

Simplifying
b = 1

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