5b-9=7b+1+2

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Solution for 5b-9=7b+1+2 equation:


Simplifying
5b + -9 = 7b + 1 + 2

Reorder the terms:
-9 + 5b = 7b + 1 + 2

Reorder the terms:
-9 + 5b = 1 + 2 + 7b

Combine like terms: 1 + 2 = 3
-9 + 5b = 3 + 7b

Solving
-9 + 5b = 3 + 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.
-9 + 5b + -7b = 3 + 7b + -7b

Combine like terms: 5b + -7b = -2b
-9 + -2b = 3 + 7b + -7b

Combine like terms: 7b + -7b = 0
-9 + -2b = 3 + 0
-9 + -2b = 3

Add '9' to each side of the equation.
-9 + 9 + -2b = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -2b = 3 + 9
-2b = 3 + 9

Combine like terms: 3 + 9 = 12
-2b = 12

Divide each side by '-2'.
b = -6

Simplifying
b = -6

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