13=-7b+3b

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


Simplifying
13 = -7b + 3b

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

Solving
13 = -4b

Solving for variable 'b'.

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

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

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

Add '-13' to each side of the equation.
13 + -13 + 4b = 0 + -13

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

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

Divide each side by '4'.
b = -3.25

Simplifying
b = -3.25

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