7b+13=3b-17

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Solution for 7b+13=3b-17 equation:


Simplifying
7b + 13 = 3b + -17

Reorder the terms:
13 + 7b = 3b + -17

Reorder the terms:
13 + 7b = -17 + 3b

Solving
13 + 7b = -17 + 3b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-3b' to each side of the equation.
13 + 7b + -3b = -17 + 3b + -3b

Combine like terms: 7b + -3b = 4b
13 + 4b = -17 + 3b + -3b

Combine like terms: 3b + -3b = 0
13 + 4b = -17 + 0
13 + 4b = -17

Add '-13' to each side of the equation.
13 + -13 + 4b = -17 + -13

Combine like terms: 13 + -13 = 0
0 + 4b = -17 + -13
4b = -17 + -13

Combine like terms: -17 + -13 = -30
4b = -30

Divide each side by '4'.
b = -7.5

Simplifying
b = -7.5

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