3+5b=b-7

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Solution for 3+5b=b-7 equation:


Simplifying
3 + 5b = b + -7

Reorder the terms:
3 + 5b = -7 + b

Solving
3 + 5b = -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.
3 + 5b + -1b = -7 + b + -1b

Combine like terms: 5b + -1b = 4b
3 + 4b = -7 + b + -1b

Combine like terms: b + -1b = 0
3 + 4b = -7 + 0
3 + 4b = -7

Add '-3' to each side of the equation.
3 + -3 + 4b = -7 + -3

Combine like terms: 3 + -3 = 0
0 + 4b = -7 + -3
4b = -7 + -3

Combine like terms: -7 + -3 = -10
4b = -10

Divide each side by '4'.
b = -2.5

Simplifying
b = -2.5

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