2(b-4)+9=4(b-2)

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Solution for 2(b-4)+9=4(b-2) equation:


Simplifying
2(b + -4) + 9 = 4(b + -2)

Reorder the terms:
2(-4 + b) + 9 = 4(b + -2)
(-4 * 2 + b * 2) + 9 = 4(b + -2)
(-8 + 2b) + 9 = 4(b + -2)

Reorder the terms:
-8 + 9 + 2b = 4(b + -2)

Combine like terms: -8 + 9 = 1
1 + 2b = 4(b + -2)

Reorder the terms:
1 + 2b = 4(-2 + b)
1 + 2b = (-2 * 4 + b * 4)
1 + 2b = (-8 + 4b)

Solving
1 + 2b = -8 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
1 + 2b + -4b = -8 + 4b + -4b

Combine like terms: 2b + -4b = -2b
1 + -2b = -8 + 4b + -4b

Combine like terms: 4b + -4b = 0
1 + -2b = -8 + 0
1 + -2b = -8

Add '-1' to each side of the equation.
1 + -1 + -2b = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -2b = -8 + -1
-2b = -8 + -1

Combine like terms: -8 + -1 = -9
-2b = -9

Divide each side by '-2'.
b = 4.5

Simplifying
b = 4.5

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