3b+9=7b+17

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Solution for 3b+9=7b+17 equation:


Simplifying
3b + 9 = 7b + 17

Reorder the terms:
9 + 3b = 7b + 17

Reorder the terms:
9 + 3b = 17 + 7b

Solving
9 + 3b = 17 + 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 + 3b + -7b = 17 + 7b + -7b

Combine like terms: 3b + -7b = -4b
9 + -4b = 17 + 7b + -7b

Combine like terms: 7b + -7b = 0
9 + -4b = 17 + 0
9 + -4b = 17

Add '-9' to each side of the equation.
9 + -9 + -4b = 17 + -9

Combine like terms: 9 + -9 = 0
0 + -4b = 17 + -9
-4b = 17 + -9

Combine like terms: 17 + -9 = 8
-4b = 8

Divide each side by '-4'.
b = -2

Simplifying
b = -2

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