12b-7+21b=b+27-200

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Solution for 12b-7+21b=b+27-200 equation:


Simplifying
12b + -7 + 21b = b + 27 + -200

Reorder the terms:
-7 + 12b + 21b = b + 27 + -200

Combine like terms: 12b + 21b = 33b
-7 + 33b = b + 27 + -200

Reorder the terms:
-7 + 33b = 27 + -200 + b

Combine like terms: 27 + -200 = -173
-7 + 33b = -173 + b

Solving
-7 + 33b = -173 + 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.
-7 + 33b + -1b = -173 + b + -1b

Combine like terms: 33b + -1b = 32b
-7 + 32b = -173 + b + -1b

Combine like terms: b + -1b = 0
-7 + 32b = -173 + 0
-7 + 32b = -173

Add '7' to each side of the equation.
-7 + 7 + 32b = -173 + 7

Combine like terms: -7 + 7 = 0
0 + 32b = -173 + 7
32b = -173 + 7

Combine like terms: -173 + 7 = -166
32b = -166

Divide each side by '32'.
b = -5.1875

Simplifying
b = -5.1875

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