-6b-12=7b+21

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Solution for -6b-12=7b+21 equation:


Simplifying
-6b + -12 = 7b + 21

Reorder the terms:
-12 + -6b = 7b + 21

Reorder the terms:
-12 + -6b = 21 + 7b

Solving
-12 + -6b = 21 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-12 + -6b + -7b = 21 + 7b + -7b

Combine like terms: -6b + -7b = -13b
-12 + -13b = 21 + 7b + -7b

Combine like terms: 7b + -7b = 0
-12 + -13b = 21 + 0
-12 + -13b = 21

Add '12' to each side of the equation.
-12 + 12 + -13b = 21 + 12

Combine like terms: -12 + 12 = 0
0 + -13b = 21 + 12
-13b = 21 + 12

Combine like terms: 21 + 12 = 33
-13b = 33

Divide each side by '-13'.
b = -2.538461538

Simplifying
b = -2.538461538

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