-7b+20=2b-7

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Solution for -7b+20=2b-7 equation:


Simplifying
-7b + 20 = 2b + -7

Reorder the terms:
20 + -7b = 2b + -7

Reorder the terms:
20 + -7b = -7 + 2b

Solving
20 + -7b = -7 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
20 + -7b + -2b = -7 + 2b + -2b

Combine like terms: -7b + -2b = -9b
20 + -9b = -7 + 2b + -2b

Combine like terms: 2b + -2b = 0
20 + -9b = -7 + 0
20 + -9b = -7

Add '-20' to each side of the equation.
20 + -20 + -9b = -7 + -20

Combine like terms: 20 + -20 = 0
0 + -9b = -7 + -20
-9b = -7 + -20

Combine like terms: -7 + -20 = -27
-9b = -27

Divide each side by '-9'.
b = 3

Simplifying
b = 3

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