7+b=3-b

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Solution for 7+b=3-b equation:


Simplifying
7 + b = 3 + -1b

Solving
7 + b = 3 + -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.
7 + b + b = 3 + -1b + b

Combine like terms: b + b = 2b
7 + 2b = 3 + -1b + b

Combine like terms: -1b + b = 0
7 + 2b = 3 + 0
7 + 2b = 3

Add '-7' to each side of the equation.
7 + -7 + 2b = 3 + -7

Combine like terms: 7 + -7 = 0
0 + 2b = 3 + -7
2b = 3 + -7

Combine like terms: 3 + -7 = -4
2b = -4

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

Simplifying
b = -2

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